{"title":"Dirt Bike 4-Stroke Exhaust","description":"\u003ch2\u003e4-Stroke Dirt Bike Exhausts | Full Systems \u0026amp; Slip-Ons for Motocross \u0026amp; Off-Road\u003c\/h2\u003e\n\n\u003cp\u003e\nA 4-stroke dirt bike exhaust upgrade is one of the most effective ways to improve power delivery, throttle response, and overall ride feel on a motocross or off-road bike. Purpose-built exhaust systems are engineered specifically for dirt bike engines, focusing on improved exhaust flow, reduced weight, and durability under extreme heat and vibration. Whether you ride motocross tracks, technical trails, or enduro terrain, the right exhaust can make your bike feel faster, lighter, and more responsive.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThis collection features dirt bike–specific 4-stroke exhaust systems designed to bolt directly onto modern MX and off-road platforms. Riders can choose between full exhaust systems for maximum performance gains or slip-on mufflers for noticeable improvements with simpler installation.\n\u003c\/p\u003e\n\n\u003ch3\u003e4-Stroke Motocross \u0026amp; Off-Road Exhaust Systems\u003c\/h3\u003e\n\n\u003cp\u003e\nMotocross and off-road exhausts are tuned to enhance low-to-mid range power while maintaining strong top-end pull. Full systems replace both the head pipe and muffler to optimize power across the entire RPM range, while slip-ons focus on improved throttle response, sound control, and weight reduction.\n\u003c\/p\u003e\n\n\u003cp\u003e\nBrowse the complete selection of \u003ca href=\"\/collections\/4-stroke-dirt-bike-exhausts\"\u003e4-stroke dirt bike exhausts\u003c\/a\u003e built specifically for motocross and off-road riding.\n\u003c\/p\u003e\n\n\u003ch3\u003eRace-Proven Exhaust Brands\u003c\/h3\u003e\n\n\u003cp\u003e\nTop exhaust manufacturers design systems around specific dirt bike engines to ensure proper fitment and reliable gains. Popular race-tested options include \u003ca href=\"\/collections\/fmf-4-stroke-exhausts\"\u003eFMF 4-stroke exhausts\u003c\/a\u003e, \u003ca href=\"\/collections\/yoshimura-4-stroke-exhaust\"\u003eYoshimura 4-stroke exhausts\u003c\/a\u003e, and \u003ca href=\"\/collections\/pro-circuit-4-stroke-exhausts\"\u003ePro Circuit 4-stroke exhausts\u003c\/a\u003e, all trusted by professional motocross and off-road riders.\n\u003c\/p\u003e\n\n\u003ch3\u003eOEM-Matched Dirt Bike Exhaust Options\u003c\/h3\u003e\n\n\u003cp\u003e\nSome riders prefer exhaust systems engineered specifically for their bike brand and platform. OEM-matched performance options are available in \u003ca href=\"\/collections\/husqvarna-4-stroke-exhaust\"\u003eHusqvarna 4-stroke exhausts\u003c\/a\u003e and \u003ca href=\"\/collections\/ktm-powerparts-4-stroke-exhaust\"\u003eKTM PowerParts 4-stroke exhausts\u003c\/a\u003e, ensuring precise fitment and power characteristics designed for each engine.\n\u003c\/p\u003e\n\n\u003ch3\u003eWhy Upgrade a Dirt Bike 4-Stroke Exhaust\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStronger power delivery:\u003c\/strong\u003e Improved exhaust flow sharpens throttle response.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight savings:\u003c\/strong\u003e Aftermarket systems are lighter than stock components.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImproved sound control:\u003c\/strong\u003e Tuned exhaust notes without excessive noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBike-specific engineering:\u003c\/strong\u003e Designed for MX and off-road use, not street riding.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nA dirt bike–specific 4-stroke exhaust is built to perform where it matters most: on the track and on the trail. Use the collections above to compare full systems and slip-ons designed for motocross and off-road riding and choose an exhaust that matches your engine, terrain, and riding style.\n\u003c\/p\u003e\n","products":[{"product_id":"pro-circuit-t-6-stainless-exhaust-system-honda","title":"Pro Circuit - T-6 Stainless Exhaust System (Honda)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003ePro Circuit – T-6 Stainless Exhaust System\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe style=\"width: 100%; max-width: 560px; height: auto; aspect-ratio: 16\/9;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/jxmGoUoFr2E?si=kmeglR1q6amppoJG\"\u003e\n\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003ePro Circuit T-6 Stainless Exhaust System\u003c\/strong\u003e\u003cspan\u003e delivers race-proven performance, rugged durability, and unbeatable value. Built for riders who want serious power without the premium titanium price tag, the T-6 is constructed from \u003c\/span\u003e\u003cspan\u003estainless steel\u003c\/span\u003e\u003cspan\u003e throughout the head pipe, y-collector mid pipe, and end caps, paired with \u003c\/span\u003e\u003cspan\u003elightweight aluminum canisters\u003c\/span\u003e\u003cspan\u003e for long-lasting strength and performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eEngineered to deliver smoother throttle response and stronger torque, the T-6 also features \u003c\/span\u003e\u003cspan\u003ePro Circuit’s RC-4 Resonance Chamber\u003c\/span\u003e\u003cspan\u003e — designed to fine-tune exhaust flow, reduce noise output, and enhance power delivery across the entire rpm range. A \u003c\/span\u003e\u003cspan\u003eremovable USFS-approved spark arrestor\u003c\/span\u003e\u003cspan\u003e makes it easy to swap between trail-legal and race-day setups, while \u003c\/span\u003e\u003cspan\u003eprecision TIG welding\u003c\/span\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cspan\u003emachined joints\u003c\/span\u003e\u003cspan\u003e ensure a perfect, leak-free fit every time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e It’s a true workhorse — tough, powerful, and built with the same attention to detail as Pro Circuit’s titanium systems. The sound is clean and deep, the performance is real, and the price makes it one of the smartest upgrades you can bolt on.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e This system adds throttle response, midrange pull, and durability you can rely on ride after ride. It’s easy to install, looks clean, and performs just as well on the track as it does on the trails. Plus, the included spark arrestor gives you the flexibility to ride wherever you want without switching pipes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e Includes \u003c\/span\u003e\u003cspan\u003eremovable USFS-approved spark arrestor\u003c\/span\u003e\u003cspan\u003e. Compatible with modern four-stroke motocross and off-road models.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eImproves overall \u003c\/span\u003e\u003cspan\u003epower and throttle response\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eStainless steel construction\u003c\/span\u003e\u003cspan\u003e: head pipe, y-collector mid pipe, and end caps\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eAluminum canister\u003c\/span\u003e\u003cspan\u003e for weight savings and durability\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eRC-4 Resonance Chamber\u003c\/span\u003e\u003cspan\u003e reduces sound while boosting performance\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eMachined aluminum brackets\u003c\/span\u003e\u003cspan\u003e for strength and stability\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eAsymmetrical muffler configuration\u003c\/span\u003e\u003cspan\u003e increases packing volume\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eMachined mid-pipe joint\u003c\/span\u003e\u003cspan\u003e for a perfect, leak-free fit\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eRemovable USFS-approved spark arrestor\u003c\/span\u003e\u003cspan\u003e for trail use\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTIG precision welding\u003c\/span\u003e\u003cspan\u003e throughout\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eMade in the USA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Pro Circuit","offers":[{"title":"CRF 110F - '19-'25","offer_id":50299907375391,"sku":"18201915","price":487.3,"currency_code":"USD","in_stock":true},{"title":"CRF 125F - '14-'18","offer_id":50299944468767,"sku":"18201534","price":463.55,"currency_code":"USD","in_stock":false},{"title":"CRF 125F - '19-'25","offer_id":50299969470751,"sku":"794-0640","price":488.25,"currency_code":"USD","in_stock":true},{"title":"CRF 125F Big Wheel - '14","offer_id":50299944501535,"sku":"18201534","price":463.55,"currency_code":"USD","in_stock":false},{"title":"CFR 125F Big Wheel - '19-'25","offer_id":50299969503519,"sku":"794-0640","price":488.25,"currency_code":"USD","in_stock":true},{"title":"CRF 150R - '07-'25","offer_id":50529856061727,"sku":"0111415G","price":891.85,"currency_code":"USD","in_stock":false},{"title":"CRF 230F - '03-'19","offer_id":50300213559583,"sku":"18201973","price":522.45,"currency_code":"USD","in_stock":true},{"title":"CRF 250F - '19-'25","offer_id":50300246327583,"sku":"794-0641","price":644.05,"currency_code":"USD","in_stock":false},{"title":"CRF 250R - '18-'19","offer_id":49250286207263,"sku":"18201820","price":1253.95,"currency_code":"USD","in_stock":true},{"title":"CRF 250R - '20-'21","offer_id":50299588477215,"sku":"18201940","price":1079.95,"currency_code":"USD","in_stock":false},{"title":"CRF 250R - '22-'24","offer_id":50299527397663,"sku":"794-0656","price":1010.75,"currency_code":"USD","in_stock":false},{"title":"CRF 250R - '25","offer_id":50529839612191,"sku":"0112425G","price":957.55,"currency_code":"USD","in_stock":false},{"title":"CRF 250RX - '22-'24","offer_id":50299527430431,"sku":"794-0656","price":1010.75,"currency_code":"USD","in_stock":false},{"title":"CRF 250RX - '25","offer_id":50529839644959,"sku":"0112425G","price":957.55,"currency_code":"USD","in_stock":false},{"title":"CRF 450R - '17-'18","offer_id":50299688026399,"sku":"18201766","price":963.85,"currency_code":"USD","in_stock":false},{"title":"CRF 450R - '19-'20","offer_id":50299756052767,"sku":"18201898","price":1060.15,"currency_code":"USD","in_stock":false},{"title":"CRF 450R - '21-'25","offer_id":50299805860127,"sku":"794-0652","price":1112.4,"currency_code":"USD","in_stock":false},{"title":"CRF 450RX - '17-'18","offer_id":50299688059167,"sku":"18201766","price":963.85,"currency_code":"USD","in_stock":false},{"title":"CRF 450RX - '19-'20","offer_id":50299756085535,"sku":"18201898","price":1060.15,"currency_code":"USD","in_stock":false},{"title":"CRF 450RX - '21-'25","offer_id":50299805925663,"sku":"794-0652","price":1112.4,"currency_code":"USD","in_stock":false},{"title":"CRF 450RS - '22","offer_id":50299756118303,"sku":"18201898","price":1060.15,"currency_code":"USD","in_stock":false},{"title":"CRF 450RS - '23-'24","offer_id":50299805892895,"sku":"794-0652","price":1112.4,"currency_code":"USD","in_stock":false},{"title":"CRF 450R Works Edition - '21-'25","offer_id":50299811234079,"sku":"794-0652","price":1112.4,"currency_code":"USD","in_stock":false},{"title":"CRF 450X - '19-'25","offer_id":50299870019871,"sku":"794-0637","price":1214.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BTO__3__0000_18201940.jpg?v=1735939525"},{"product_id":"pro-circuit-ti-6-titanium-exhaust-system-honda","title":"Pro Circuit - Ti-6 Titanium Exhaust System (Honda)","description":"\u003cp\u003e\u003cspan style=\"font-size: large;\"\u003e\u003cstrong\u003ePro Circuit - Ti-6 Titanium Exhaust System (Honda)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe Pro Circuit Ti-6 Titanium Exhaust System is designed to improve performance throughout the entire rpm range and is constructed of a titanium head pipe, mid pipe, and canister with a carbon fiber end-cap. The Ti-6 Pipe is ideal for any closed-course or off-road racer looking for improved performance, durability and a professional look.\u003c\/p\u003e\n\u003cp\u003eAlthough the Ti-6 will not pass the FIM sound requirements set for professional racing here in the states, the Ti-6 will meet AMA amateur noise requirements and comes equipped with a removable USFS approved spark arrestor, making it easy to switch from closed-course to off-road racing. If you have been searching for ultimate weight savings and enhanced performance, the Pro Circuit Ti-6 Titanium Exhaust System is sure to fit the bill.\u003c\/p\u003e\n\u003ch4\u003eFeatures:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOffering maximum performance while meeting AMA amateur noise requirements\u003c\/li\u003e\n\u003cli\u003eIdeal for closed-course or off-road racing\u003c\/li\u003e\n\u003cli\u003eTitanium construction throughout head pipe, mid pipe and canister\u003c\/li\u003e\n\u003cli\u003eCarbon fiber end-cap construction\u003c\/li\u003e\n\u003cli\u003eEquipped with RC-4 Resonance Chamber to reduce noise output\u003c\/li\u003e\n\u003cli\u003eMachined aluminum muffler bracket for increased strength and durability\u003c\/li\u003e\n\u003cli\u003eAsymmetrical muffler configuration for increased packing volume\u003c\/li\u003e\n\u003cli\u003eMachined mid pipe to head pipe joint for a better, leak free fit\u003c\/li\u003e\n\u003cli\u003eRemovable USFS approved spark arrestor\u003c\/li\u003e\n\u003cli\u003eTIG precision welding\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pro Circuit","offers":[{"title":"CRF 250R - '20-'21","offer_id":49250290827551,"sku":"18201941","price":1726.1,"currency_code":"USD","in_stock":true},{"title":"CRF 250R - '22-'24","offer_id":50507167531295,"sku":"18202006","price":1273.45,"currency_code":"USD","in_stock":false},{"title":"CRF 250R - '25","offer_id":50530010464543,"sku":"0312425F","price":1273.45,"currency_code":"USD","in_stock":false},{"title":"CRF 250RX - 22-'24","offer_id":50507167564063,"sku":"18202006","price":1273.45,"currency_code":"USD","in_stock":false},{"title":"CRF 250RX - '25","offer_id":50530010497311,"sku":"0312425F","price":1273.45,"currency_code":"USD","in_stock":false},{"title":"CRF 450R - '21-'25","offer_id":50507211276575,"sku":"794-0653","price":1479.1,"currency_code":"USD","in_stock":true},{"title":"CRF 450R Works Edition - '21-'25","offer_id":50507211309343,"sku":"794-0653","price":1479.1,"currency_code":"USD","in_stock":true},{"title":"CRF 450RS - '23-'24","offer_id":50507211342111,"sku":"794-0653","price":1479.1,"currency_code":"USD","in_stock":true},{"title":"CRF 450RX - '21-'25","offer_id":50507211374879,"sku":"794-0653","price":1479.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BTO__3__0000_1820-1941.jpg?v=1737041014"},{"product_id":"yoshimura-rs-12-full-system-kawasaki","title":"Yoshimura - RS-12 Full System (Kawasaki)","description":"\u003ch3\u003eYoshimura - RS-12 Full System (Kawasaki)\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003ch4 class=\"title\" style=\"margin: 0px; padding: 0px; font-weight: bold; text-transform: capitalize; font-family: Arial, Geneva, sans-serif; font-size: 12px; background-color: #ffffff;\"\u003eDescription:\u003c\/h4\u003e\n\u003cdiv class=\"description\" style=\"margin: 0px; padding: 0px; font-family: Arial, Geneva, sans-serif; font-size: 12px; background-color: #ffffff;\"\u003eWe considered all the details when it came to the RS-12. One look and you can see it's like nothing else on the market. As you get closer you will notice the details in every place on our new dirt bike system, from the matte carbon fiber end cap with decal inlays to the precise machined joints, this system is next level.\u003c\/div\u003e\n\u003ch4 class=\"title\" style=\"margin: 0px; padding: 0px; font-weight: bold; text-transform: capitalize; font-family: Arial, Geneva, sans-serif; font-size: 12px; background-color: #ffffff;\"\u003eFeatures:\u003c\/h4\u003e\n\u003cul style=\"margin: 0.5rem 0px 0px; padding: 0px; padding-inline-start: 22px; font-family: Arial, Geneva, sans-serif; font-size: 12px; background-color: #ffffff;\"\u003e\n\u003cli style=\"margin: 0px; padding: 0px;\"\u003eDeveloped and tested in the heat of over 24 months of factory level racing\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px;\"\u003eAggressive, intelligently designed, asymmetrical shaped RS-12 profile allows maximized muffler volume that helps manage sound, add power and provide more clearance for tire and brake caliper\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px;\"\u003eImproved performance gains, weight reduction and fit when compared to previous generation design\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px;\"\u003eWorks-look matte carbon fiber end cap with industry leading design and innovation end cap detailing as expected from Yoshimura\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px;\"\u003eCarbon end cap covers inner cap mounted design improves durability, and eases servicing as compared to other sandwich mounting designs most commonly found in the industry\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px;\"\u003eNew patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arrestors\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px;\"\u003eTapered muffler body inlet design of RS-12 enables the system to be pushed forward thus helping with weight centralization without sacrificing performance\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px;\"\u003eProudly designed, developed and made in the USA!\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px;\"\u003eYoshimura Full system weight 8.5 lbs. vs Stock Weight 8.7lbs\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px;\"\u003eRepack Kits, optional Inserts and Spark Arresters are available for all models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"KX 250F - '21-'24","offer_id":50536352350495,"sku":"961-3415","price":999.0,"currency_code":"USD","in_stock":true},{"title":"KX 250F - '25","offer_id":49250443493663,"sku":"961-3418","price":999.0,"currency_code":"USD","in_stock":false},{"title":"KX 250X - 21-'24","offer_id":50536352383263,"sku":"961-3415","price":999.0,"currency_code":"USD","in_stock":true},{"title":"KX 450F - '19-'23","offer_id":50536376303903,"sku":"961-3414","price":999.0,"currency_code":"USD","in_stock":false},{"title":"KX 450F - '24-'25","offer_id":50536353726751,"sku":"961-3417","price":1099.0,"currency_code":"USD","in_stock":true},{"title":"KX 450F 50th Anniversary Edition - '24","offer_id":50536353759519,"sku":"961-3417","price":1099.0,"currency_code":"USD","in_stock":true},{"title":"KX 450SR - '22-'23","offer_id":50536376336671,"sku":"961-3414","price":999.0,"currency_code":"USD","in_stock":false},{"title":"KX 450X - '21-'23","offer_id":50536376369439,"sku":"961-3414","price":999.0,"currency_code":"USD","in_stock":false},{"title":"KX 450X - '24-'25","offer_id":50536353792287,"sku":"961-3417","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/YOSHIMURA_20RS12_20SYSTEM_20KAW_0003_7c72-60429cea2193a_f6322f2a-a939-44f0-83d9-710c2294b394.jpg?v=1726021969"},{"product_id":"yoshimura-rs-12-full-system-yamaha","title":"Yoshimura - RS-12 Full System (Yamaha)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eYoshimura – RS-12 Full System (Yamaha)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe style=\"width: 100%; max-width: 560px; height: auto; aspect-ratio: 16\/9;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/LkWSdyrUhRM?si=DUEjBWPA73DVtMM7\"\u003e\n\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAfter more than two years of factory-level development and race testing, the \u003c\/span\u003e\u003cstrong\u003eYoshimura RS-12 Full System\u003c\/strong\u003e\u003cspan\u003e brings pure championship DNA straight to your Yamaha. Every detail was built for performance — from the \u003c\/span\u003e\u003cspan\u003eaggressive asymmetrical muffler design\u003c\/span\u003e\u003cspan\u003e that increases volume and flow, to the \u003c\/span\u003e\u003cspan\u003ematte carbon fiber end cap\u003c\/span\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cspan\u003eprecision-machined joints\u003c\/span\u003e\u003cspan\u003e that make this system both functional and beautiful.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cspan\u003eRS-12\u003c\/span\u003e\u003cspan\u003e was engineered for maximum gains in power, throttle response, and durability. Its \u003c\/span\u003e\u003cspan\u003etapered inlet design\u003c\/span\u003e\u003cspan\u003e moves the system closer to the bike’s center of gravity, improving handling and balance. The result? A system that adds power while trimming weight and giving your Yamaha that deep, tuned Yoshimura tone. The \u003c\/span\u003e\u003cspan\u003epatent-pending Precision Taper Fit (PTF) insert ring\u003c\/span\u003e\u003cspan\u003e makes swapping out inserts or spark arrestors quick and simple — no frustration, no struggle, just track-ready performance and pro-level refinement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e It’s everything a Yoshimura system should be — race-proven, lightweight, and flawless in both sound and craftsmanship. The carbon fiber end cap, tight welds, and sculpted lines make it look factory fresh, while the tone and power feel straight off the Supercross circuit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e This system makes your Yamaha feel stronger everywhere — quicker throttle pickup, smoother pull, and noticeably better response through the revs. The improved weight balance helps the bike feel lighter and more stable, while the carbon cap and titanium finish add that unmistakable Yosh look. It’s plug-and-play performance that transforms how your bike rides and sounds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e Includes full stainless header and mid-pipe assembly. Compatible with Yoshimura repack kits, sound inserts, and spark arrestors (sold separately).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eDeveloped and race-tested for over \u003c\/span\u003e\u003cspan\u003e24 months\u003c\/span\u003e\u003cspan\u003e by Yoshimura’s factory team\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eAsymmetrical RS-12 muffler design\u003c\/span\u003e\u003cspan\u003e increases power and volume\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eCarbon fiber end cap\u003c\/span\u003e\u003cspan\u003e with inset decal and precision-machined joints\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eTapered inlet\u003c\/span\u003e\u003cspan\u003e improves mass centralization and fitment\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003ePatent-pending PTF insert ring\u003c\/span\u003e\u003cspan\u003e for easy sound insert or arrestor changes\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eImproved throttle response and mid-top power gains\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eLighter than stock\u003c\/span\u003e\u003cspan\u003e (8.5 lbs. vs 8.7 lbs.)\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb id=\"docs-internal-guid-96ed8759-7fff-f92a-a8df-9aec4918ff8e\"\u003e\u003cspan\u003eMade in the USA\u003c\/span\u003e\u003cspan\u003e with Yoshimura’s signature craftsmanship\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e","brand":"Yoshimura","offers":[{"title":"WR 250F - '20-'23","offer_id":49250448507167,"sku":"961-6418","price":999.0,"currency_code":"USD","in_stock":false},{"title":"YZ 250F - '19-'23","offer_id":50536709652767,"sku":"961-6418","price":999.0,"currency_code":"USD","in_stock":false},{"title":"YZ 250F - '24-'25","offer_id":50536713519391,"sku":"961-6421","price":999.0,"currency_code":"USD","in_stock":true},{"title":"YZ 250F Monster Energy Race Edition - '24-'25","offer_id":50536713552159,"sku":"961-6421","price":999.0,"currency_code":"USD","in_stock":true},{"title":"YZ 250FX - '20-'23","offer_id":50536709685535,"sku":"961-6418","price":999.0,"currency_code":"USD","in_stock":false},{"title":"YZ 450F - '20-'22","offer_id":50536716960031,"sku":"961-6419","price":999.0,"currency_code":"USD","in_stock":true},{"title":"YZ 450F - '23-'25","offer_id":50536722792735,"sku":"961-6420","price":999.0,"currency_code":"USD","in_stock":true},{"title":"YZ450F Monster Energy Race Edition - '21-'22","offer_id":50536716992799,"sku":"961-6419","price":999.0,"currency_code":"USD","in_stock":true},{"title":"YZ 450F Monster Energy Race Edition - '23-'25","offer_id":50536722825503,"sku":"961-6420","price":999.0,"currency_code":"USD","in_stock":true},{"title":"YZ 450FX - '24","offer_id":50536727871775,"sku":"961-6420","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/YOSHIMURA_20RS-12_20HDRCANIST_20END_20CAP_20EXHAUST_20SYSTEM_0004_Layer_201_e312f7a9-f6db-489f-83f5-ce749c379063.jpg?v=1726021993"},{"product_id":"yoshimura-rs-12-full-system-gas-gas","title":"Yoshimura - RS-12 Full System (Gas-Gas)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eYoshimura – RS-12 Full System (GasGas)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe style=\"width: 100%; max-width: 560px; height: auto; aspect-ratio: 16\/9;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/LkWSdyrUhRM?si=DUEjBWPA73DVtMM7\"\u003e\n\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBorn from over two years of factory-level testing and race development, the \u003cstrong\u003eYoshimura RS-12 Full System\u003c\/strong\u003e transforms your GasGas into a sharper, more responsive machine. With its asymmetrical muffler shape and tapered inlet design, the RS-12 boosts power and torque while improving mass centralization — giving your bike a more balanced, precise feel on the track or trail.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe system’s matte carbon fiber end cap, precision-machined joints, and handcrafted welds show Yoshimura’s unmatched attention to detail. The patent-pending Precision Taper Fit (PTF) insert ring allows for fast and easy insert or spark arrestor swaps, while the RS-12’s internal design manages sound and airflow for smooth, controllable power across the rpm range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e It’s a perfect pairing for GasGas — lightweight, clean, and aggressive. The RS-12 gives you that Yoshimura bark and the confidence-inspiring throttle control that makes your bike feel factory-tuned.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e This system wakes up your GasGas, giving you stronger pull through the midrange and a cleaner hit off the bottom. It’s lighter than stock, centralizes mass for better handling, and looks just as good as it performs. Whether you’re racing or just want your bike to feel sharper, this setup delivers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e Includes complete header and mid-pipe assembly. Works with Yoshimura sound inserts, spark arrestors, and repack kits (sold separately).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eOver 24 months of development with Yoshimura’s race engineers\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eAsymmetrical RS-12 muffler for optimized flow and reduced sound\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eCarbon fiber end cap with precision detailing\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTapered inlet moves system closer to bike’s center of gravity\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003ePTF insert ring for easy tuning and insert removal\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eImproved throttle response and broader powerband\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eLightweight construction for better handling\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eProudly made in the USA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Yoshimura","offers":[{"title":"EX 250F - '21-23","offer_id":50535860175135,"sku":"961-4416","price":1149.0,"currency_code":"USD","in_stock":false},{"title":"EX 250F - '24-'25","offer_id":50535881474335,"sku":"961-4420","price":1149.0,"currency_code":"USD","in_stock":true},{"title":"EX 350F - '21-'23","offer_id":50535860207903,"sku":"961-4416","price":1149.0,"currency_code":"USD","in_stock":false},{"title":"EX 350F - '24-'25","offer_id":50535881507103,"sku":"961-4420","price":1149.0,"currency_code":"USD","in_stock":true},{"title":"MC 250F - '21-'23","offer_id":49250454176031,"sku":"961-4416","price":1149.0,"currency_code":"USD","in_stock":false},{"title":"MC 250F - 24-'25","offer_id":50535881376031,"sku":"961-4420","price":1149.0,"currency_code":"USD","in_stock":true},{"title":"MC 250F Factory Edition -'23-'24","offer_id":50535881408799,"sku":"961-4420","price":1149.0,"currency_code":"USD","in_stock":true},{"title":"MC 350F - '22-'23","offer_id":50535713964319,"sku":"961-4416","price":1149.0,"currency_code":"USD","in_stock":false},{"title":"MC 350F - '24-'25","offer_id":50535881441567,"sku":"961-4420","price":1149.0,"currency_code":"USD","in_stock":true},{"title":"MC 450F - '24-'25","offer_id":50536026276127,"sku":"961-4419","price":1099.0,"currency_code":"USD","in_stock":false},{"title":"MC 450F Factory Edition - '23","offer_id":50536026308895,"sku":"961-4419","price":1099.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BTO__0000_961-4419.jpg?v=1760646487"},{"product_id":"yoshimura-rs-12-full-system-ktm","title":"Yoshimura - RS-12 Full System (KTM)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eYoshimura – RS-12 Full System (KTM)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe style=\"width: 100%; max-width: 560px; height: auto; aspect-ratio: 16\/9;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/LkWSdyrUhRM?si=DUEjBWPA73DVtMM7\"\u003e\n\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDeveloped over two years of factory-level testing and refinement, the \u003c\/span\u003e\u003cstrong\u003eYoshimura RS-12 Full System\u003c\/strong\u003e\u003cspan\u003e takes KTM performance to the next level. This system isn’t just built — it’s engineered for real gains in power, throttle response, and handling. The \u003c\/span\u003e\u003cspan\u003easymmetrical RS-12 muffler design\u003c\/span\u003e\u003cspan\u003e increases internal volume for improved flow and reduced sound, while its \u003c\/span\u003e\u003cspan\u003ematte carbon fiber end cap\u003c\/span\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cspan\u003eprecision-machined joints\u003c\/span\u003e\u003cspan\u003e deliver a true factory finish.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cspan\u003etapered muffler inlet\u003c\/span\u003e\u003cspan\u003e allows Yoshimura to position the RS-12 closer to the bike’s center of gravity, improving handling and balance without sacrificing power. Combined with the \u003c\/span\u003e\u003cspan\u003epatent-pending Precision Taper Fit (PTF) insert ring\u003c\/span\u003e\u003cspan\u003e, insert and spark arrestor swaps are quick and frustration-free. Every component — from the welds to the fitment — shows Yoshimura’s obsession with detail and performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e It’s the perfect mix of KTM aggression and Yoshimura precision. The RS-12 adds a deep, clean tone and instant throttle response, all wrapped in a lightweight system that looks like it came straight from the factory race truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e This full system sharpens how your KTM feels from the moment you hit the throttle — quicker response, smoother midrange, and more controlled power all the way up top. It’s lighter than stock, looks incredible, and keeps the mass centralized for a more balanced feel on the bike. Whether you’re on the track or carving singletrack, it’ll make your KTM feel more alive.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e Includes full stainless header and mid-pipe assembly. Compatible with Yoshimura \u003c\/span\u003e\u003cspan\u003esound inserts\u003c\/span\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cspan\u003espark arrestors\u003c\/span\u003e\u003cspan\u003e, and \u003c\/span\u003e\u003cspan\u003erepack kits\u003c\/span\u003e\u003cspan\u003e (sold separately).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eDeveloped and tested with Yoshimura’s \u003c\/span\u003e\u003cspan\u003efactory racing teams\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eAsymmetrical RS-12 muffler design\u003c\/span\u003e\u003cspan\u003e for better flow and reduced sound\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eMatte carbon fiber end cap\u003c\/span\u003e\u003cspan\u003e with integrated decal inlay\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTapered inlet\u003c\/span\u003e\u003cspan\u003e improves weight balance and handling\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003ePTF insert ring\u003c\/span\u003e\u003cspan\u003e for easy maintenance and tuning\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eImproved throttle response and mid-top power\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eLighter than stock\u003c\/span\u003e\u003cspan\u003e system weight\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eMade in the USA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Yoshimura","offers":[{"title":"250 SX-F - 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RS-4 Slip-On (Husqvarna)","description":"\u003ch3\u003eYoshimura - RS-4 Slip-On (Husqvarna)\u003c\/h3\u003e\n\u003ch4\u003eDescription:\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eRS-4 exhaust systems illustrates the endless cycle of development. Working in conjunction with the factory teams has provided us with new ways to increase performance, lower sound levels and centralize mass. The end result is a product that gives you an unparalleled competitive advantage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIf you're serious - it's only Yoshimura. Proudly made in the USA!\u003c\/p\u003e\n\u003ch4\u003eFeatures:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePentagonal-shaped sleeve\u003c\/li\u003e\n\u003cli\u003eFront muffler cap functions as a poly-resonant chamber which helps reduce noise\u003c\/li\u003e\n\u003cli\u003eTwo-stage stepped baffle\u003c\/li\u003e\n\u003cli\u003eCarbon fiber end-cap\u003c\/li\u003e\n\u003cli\u003eStainless Steel Tail-pipe\u003c\/li\u003e\n\u003cli\u003eRepack Kits, optional\u003cspan\u003e \u003c\/span\u003eInserts\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003eSpark Arresters\u003cspan\u003e \u003c\/span\u003eare available for all models\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"FC 250 - '19-'22","offer_id":49250598191391,"sku":"961-4414","price":729.0,"currency_code":"USD","in_stock":false},{"title":"FC 350 - '19 -'22","offer_id":50544882843935,"sku":"961-4414","price":729.0,"currency_code":"USD","in_stock":false},{"title":"FC 450 - '16-'18","offer_id":50544908304671,"sku":"961-4415","price":519.0,"currency_code":"USD","in_stock":false},{"title":"FC 450 - '19-'22","offer_id":50544911745311,"sku":"961-4412","price":789.0,"currency_code":"USD","in_stock":false},{"title":"FC 450 Rockstar Edition - '18","offer_id":50544908337439,"sku":"961-4415","price":519.0,"currency_code":"USD","in_stock":false},{"title":"FC 450 Rockstar Edition - '19-'21","offer_id":50544911778079,"sku":"961-4412","price":789.0,"currency_code":"USD","in_stock":false},{"title":"FE 350S - 24-'25","offer_id":50544894574879,"sku":"961-4422","price":749.0,"currency_code":"USD","in_stock":true},{"title":"FE 501 - '17-'19","offer_id":50544908370207,"sku":"961-4415","price":519.0,"currency_code":"USD","in_stock":false},{"title":"FE 501 - '24-'25","offer_id":50544894640415,"sku":"961-4422","price":749.0,"currency_code":"USD","in_stock":true},{"title":"FE 501S - '24-'25","offer_id":50544894607647,"sku":"961-4422","price":749.0,"currency_code":"USD","in_stock":true},{"title":"FS 450 - '21-'22","offer_id":50544911810847,"sku":"961-4412","price":789.0,"currency_code":"USD","in_stock":false},{"title":"FX 250 - '19-'22","offer_id":50544883892511,"sku":"961-4414","price":729.0,"currency_code":"USD","in_stock":false},{"title":"FX 350 - '19-'22","offer_id":50544883925279,"sku":"961-4414","price":729.0,"currency_code":"USD","in_stock":false},{"title":"FX 450 - '17-'18","offer_id":50544908402975,"sku":"961-4415","price":519.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/yoshimura-rs-4-signature-slipon-husqvarna.jpg?v=1726023030"},{"product_id":"pro-circuit-t-6-stainless-exhaust-system-ktm","title":"Pro Circuit - T-6 Stainless Exhaust System (KTM)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003ePro Circuit – T-6 Stainless Exhaust System (KTM)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe style=\"width: 100%; max-width: 560px; height: auto; aspect-ratio: 16\/9;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/jxmGoUoFr2E?si=kmeglR1q6amppoJG\"\u003e\n\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003ePro Circuit T-6 Stainless Exhaust System\u003c\/strong\u003e\u003cspan\u003e brings race-proven performance to everyday riders who want serious power gains and long-lasting durability. Designed and built from \u003c\/span\u003e\u003cspan\u003estainless steel\u003c\/span\u003e\u003cspan\u003e throughout the head pipe, mid pipe, and end cap — paired with an \u003c\/span\u003e\u003cspan\u003ealuminum muffler canister\u003c\/span\u003e\u003cspan\u003e — this system delivers the same flow and performance as Pro Circuit’s Ti-6 Titanium setup, just with a bit more weight and a lot more lifespan. It’s built for riders who want strength, value, and power in one system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe T-6 is equipped with \u003c\/span\u003e\u003cspan\u003ePro Circuit’s RC-4 Resonance Chamber\u003c\/span\u003e\u003cspan\u003e, which smooths sound while enhancing torque and throttle response. A \u003c\/span\u003e\u003cspan\u003eremovable USFS-approved spark arrestor\u003c\/span\u003e\u003cspan\u003e lets you easily switch between trail riding and closed-course racing. From the machined joints that prevent leaks to the precision TIG welds and reinforced mounting brackets, every inch of this exhaust shows Pro Circuit’s attention to detail.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e It gives you the same snap and flow as a titanium race system but built tough enough to handle years of abuse. It’s a no-nonsense, race-bred exhaust that transforms how your KTM pulls from bottom to top.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e This system improves throttle response, adds midrange muscle, and smooths out power delivery — perfect if you want your KTM to feel stronger everywhere without going full titanium. It’s durable, easy to maintain, and comes ready for both track and trail with the included spark arrestor.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e Includes \u003c\/span\u003e\u003cspan\u003eremovable USFS-approved spark arrestor\u003c\/span\u003e\u003cspan\u003e. Fits most modern KTM four-stroke motocross and off-road models.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eImproves performance across the rpm range\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eStainless steel construction\u003c\/span\u003e\u003cspan\u003e: head pipe, mid pipe, and end cap\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eAluminum muffler canister\u003c\/span\u003e\u003cspan\u003e for weight savings\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eEquipped with \u003c\/span\u003e\u003cspan\u003eRC-4 Resonance Chamber\u003c\/span\u003e\u003cspan\u003e for smoother torque and reduced noise\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eRemovable spark arrestor\u003c\/span\u003e\u003cspan\u003e (USFS-approved)\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eAsymmetrical muffler design\u003c\/span\u003e\u003cspan\u003e for increased packing volume\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eMachined aluminum bracket\u003c\/span\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cspan\u003eleak-free pipe joints\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTIG precision welding\u003c\/span\u003e\u003cspan\u003e throughout\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eGreat for off-road or closed-course racing\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eMade in the USA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Pro Circuit","offers":[{"title":"250 SX-F - '19-'22","offer_id":49250954969375,"sku":"794-2650","price":941.4,"currency_code":"USD","in_stock":false},{"title":"250 SX-F - '23-'25","offer_id":50348740706591,"sku":"18202019","price":1047.8,"currency_code":"USD","in_stock":true},{"title":"250 SX-F Factory Edition - '23-'24","offer_id":50348740739359,"sku":"18202019","price":1047.8,"currency_code":"USD","in_stock":true},{"title":"250 SX-F - 'Adamo Edition - '25","offer_id":50348740772127,"sku":"18202019","price":1047.8,"currency_code":"USD","in_stock":true},{"title":"250 XC-F - '19-'22","offer_id":50348709216543,"sku":"794-2650","price":941.4,"currency_code":"USD","in_stock":false},{"title":"350 SX-F - '19-'22","offer_id":50348768231711,"sku":"18201893","price":1035.45,"currency_code":"USD","in_stock":true},{"title":"350 SX-F - '23-'25","offer_id":50348740804895,"sku":"18202019","price":1047.8,"currency_code":"USD","in_stock":true},{"title":"350 XC-F - '19-'22","offer_id":50348768264479,"sku":"18201893","price":1035.45,"currency_code":"USD","in_stock":true},{"title":"350 XC-F - '23-'25","offer_id":50348740837663,"sku":"18202019","price":1047.8,"currency_code":"USD","in_stock":true},{"title":"450 SMR - '21-'22","offer_id":50348784517407,"sku":"18201834","price":891.85,"currency_code":"USD","in_stock":false},{"title":"450 SX-F - '19-'22","offer_id":50348784550175,"sku":"18201834","price":891.85,"currency_code":"USD","in_stock":false},{"title":"450 SX-F - '23-'25","offer_id":50348796150047,"sku":"18202020","price":1047.8,"currency_code":"USD","in_stock":true},{"title":"450 SX-F Factory Edition - '18","offer_id":50348784582943,"sku":"18201834","price":891.85,"currency_code":"USD","in_stock":false},{"title":"450 SX-F Factory Edition - '21","offer_id":50348784615711,"sku":"18201834","price":891.85,"currency_code":"USD","in_stock":false},{"title":"450 SX-F Factory Edition - '22-'24","offer_id":50348796182815,"sku":"18202020","price":1047.8,"currency_code":"USD","in_stock":true},{"title":"450 XC-F - '22","offer_id":50348796215583,"sku":"18202020","price":1047.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BTO__3__0000_794-2650_f84ff6b2-6528-49e9-9064-baa23f32f239.jpg?v=1736179032"},{"product_id":"yoshimura-rs-9t-full-system-honda","title":"Yoshimura - RS-9T Full System (Honda)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eYoshimura – RS-9T Full System (Honda)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe style=\"width: 100%; max-width: 560px; height: auto; aspect-ratio: 16\/9;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/tSbiWJ5CRRM?si=QRZkmXKfOGJK1boh\"\u003e\n\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDeveloped hand-in-hand with \u003c\/span\u003e\u003cspan\u003eHonda HRC’s factory engineers\u003c\/span\u003e\u003cspan\u003e, the \u003c\/span\u003e\u003cspan\u003eYoshimura\u003cstrong\u003e RS-9T Full System\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e is a precision-built exhaust designed to maximize performance, mass centralization, and rideability for modern Honda four-strokes. From the track to the dyno, this system was tested and refined by Yoshimura and HRC to deliver smoother, more controllable power and sharper throttle response across the entire rpm range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cspan\u003eRS-9T’s dual tapered muffler design\u003c\/span\u003e\u003cspan\u003e is tucked forward and closer to the frame for a lower center of gravity, improving handling and balance. A \u003c\/span\u003e\u003cspan\u003e3-stage header\u003c\/span\u003e\u003cspan\u003e enhances exhaust scavenging for broader power, while a \u003c\/span\u003e\u003cspan\u003enew tail-pipe divider\u003c\/span\u003e\u003cspan\u003e equalizes pressure between both mufflers, smoothing flow and increasing velocity. The result is a more tractable feel — stronger off the bottom, cleaner through the mid, and improved pull up top. Each system is built with a \u003c\/span\u003e\u003cspan\u003estainless steel header and tail pipe\u003c\/span\u003e\u003cspan\u003e for durability and performance consistency.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e It’s pure factory tech straight from Honda’s race program. The RS-9T delivers smooth, predictable power, a lower noise level, and that signature Yoshimura tone. It makes your CRF feel more planted, balanced, and explosive all at once.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e This exhaust boosts usable torque and throttle response while improving overall handling through better mass centralization. The forward-mounted dual mufflers not only help performance but also reduce crash vulnerability. The larger canister volume keeps the tone deep and clean while meeting sound limits — perfect for serious racers or riders chasing that factory feel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e Fits modern Honda CRF450R and CRF450RX models. Works with or without Honda’s electric start system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eDeveloped with \u003c\/span\u003e\u003cspan\u003eHonda HRC\u003c\/span\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cspan\u003eAmerican Honda MX teams\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eDual \u003c\/span\u003e\u003cspan\u003eRS-9T tapered muffler design\u003c\/span\u003e\u003cspan\u003e for improved mass centralization\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e3-stage header\u003c\/span\u003e\u003cspan\u003e increases torque and throttle response\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTail-pipe divider\u003c\/span\u003e\u003cspan\u003e smooths exhaust flow between mufflers\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eLarger muffler cores reduce noise and boost mid-to-top power\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eStainless steel header and tail pipe for strength and durability\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTested and proven on track and dyno by Yoshimura and Honda R\u0026amp;D Japan\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eWorks with both electric and kick-start models\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Yoshimura","offers":[{"title":"CRF 110F - '19-'25","offer_id":49252600316191,"sku":"961-1914","price":629.0,"currency_code":"USD","in_stock":true},{"title":"CRF 125F - '19-'25","offer_id":50545383801119,"sku":"961-1915","price":659.0,"currency_code":"USD","in_stock":true},{"title":"CRF 125F (Big Wheel) - '19-'25","offer_id":50545383833887,"sku":"961-1915","price":659.0,"currency_code":"USD","in_stock":true},{"title":"CRF 250R - '18-'21","offer_id":50545391993119,"sku":"961-1911","price":1219.0,"currency_code":"USD","in_stock":true},{"title":"CRF 250RX - '19-'21","offer_id":50545392025887,"sku":"961-1911","price":1219.0,"currency_code":"USD","in_stock":true},{"title":"CRF 450R - '17-'20","offer_id":50545398087967,"sku":"961-1912","price":1219.0,"currency_code":"USD","in_stock":true},{"title":"CRF 450RS - '22","offer_id":50545398120735,"sku":"961-1912","price":1219.0,"currency_code":"USD","in_stock":true},{"title":"CRF 450RX - '17-'20","offer_id":50545398153503,"sku":"961-1912","price":1219.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/yoshimura-rs-9t-fs-crf-450r-2019_97b4bc40-93a3-41df-a2d1-fab995602d64.jpg?v=1726037834"},{"product_id":"yoshimura-rs-9t-dual-slip-on-honda","title":"Yoshimura - RS-9T Dual Slip-On (Honda)","description":"\u003ch2\u003eYoshimura - RS-9T Signature Series Slip-On (Honda)\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"margin: 0px 0px 6px; font-family: helvetica, arial, sans-serif; color: #1d2129; font-size: 14px; line-height: 19.32px;\"\u003eNEW FOR 2017 HONDA CRF450R and CRF450RX!\u003c\/p\u003e\n\u003cp style=\"margin: 6px 0px; font-family: helvetica, arial, sans-serif; color: #1d2129; font-size: 14px; line-height: 19.32px;\"\u003eWithout a doubt the most anticipated Motocross and Off-Road bikes of 2017 have finally made their debut, the 2017 Honda CRF450R and CRF450RX have been released!\u003c\/p\u003e\n\u003cp style=\"margin: 6px 0px; font-family: helvetica, arial, sans-serif; color: #1d2129; font-size: 14px; line-height: 19.32px;\"\u003eIntroducing the all-new RS-9T exhaust system for the all new CRF450R and CRF450RX. The 2017 CRF450R's new engine and muffler configuration gave us the opportunity to create an entirely new system built specifically for the new CRF450 machines.\u003c\/p\u003e\n\u003cdiv class=\"text_exposed_show\" style=\"display: inline; font-family: helvetica, arial, sans-serif; color: #1d2129; font-size: 14px; line-height: 19.32px;\"\u003e\n\u003cp style=\"margin: 0px 0px 6px; font-family: inherit;\"\u003eYoshimura has been working tirelessly on development with American Honda HRC's engineers to achieve maximum performance and mass centralization, and to optimize rider usability. Yoshimura achieved all this while moving the rear muffler's all new RS-9T dual tapered shape forward to tuck in under the side number plates. Working with HRC race engineers and the all-new 449cc Unicam engine and its unique downdraft fuel injection system, Yoshimura engineers were able to deliver an exhaust that provides more trackable power and improved torque.\u003c\/p\u003e\n\u003cp style=\"margin: 6px 0px; font-family: inherit;\"\u003eThis new RS-9T dual works with or without Honda's all-new optional electric start system, and will be available as a slip-on set and a full system.\u003c\/p\u003e\n\u003cp style=\"margin: 6px 0px; font-family: inherit;\"\u003eSome of the features on the new RS-9T dual CRF450R\/RX system include:\u003cbr\u003e \u003cbr\u003eDyno and track tested by Honda R\u0026amp;D in Japan, American Honda MX team, and HRC All Japan MX Racing team\u003cbr\u003e \u003cbr\u003e3 stage header provides overall broader range of power and better throttle response.\u003c\/p\u003e\n\u003cp style=\"margin: 6px 0px; font-family: inherit;\"\u003eNew tail pipe divider creates smoother exhaust flow and better velocity to the right and left tail pipe\u003c\/p\u003e\n\u003cp style=\"margin: 6px 0px; font-family: inherit;\"\u003eNew compact forward positioned RS-9T dual muffler design provides lower center of gravity for better mass centralization\u003c\/p\u003e\n\u003cp style=\"margin: 6px 0px; font-family: inherit;\"\u003eNew RS-9T mufflers have more volume than stock\u003c\/p\u003e\n\u003cp style=\"margin: 6px 0px; font-family: inherit;\"\u003eLager muffler volume provides decrease in dB level and better throttle response\u003c\/p\u003e\n\u003cp style=\"margin: 6px 0px; font-family: inherit;\"\u003eLarger RS-9T core creates more power on mid and top end\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Yoshimura","offers":[{"title":"2020 \/ CRF 250R \/ Stainless with Carbon Cap","offer_id":49252603494687,"sku":"961-1917","price":1069.0,"currency_code":"USD","in_stock":false},{"title":"2021 \/ CRF 250R \/ Stainless with Carbon Cap","offer_id":49252603724063,"sku":"961-1917","price":1069.0,"currency_code":"USD","in_stock":false},{"title":"2020 \/ CRF 250RX \/ Stainless with Carbon Cap","offer_id":49252603691295,"sku":"961-1917","price":1069.0,"currency_code":"USD","in_stock":false},{"title":"2021 \/ CRF 250RX \/ Stainless with Carbon Cap","offer_id":49252603822367,"sku":"961-1917","price":1069.0,"currency_code":"USD","in_stock":false},{"title":"2019 \/ CRF 450R \/ Stainless with Carbon Cap","offer_id":49252603756831,"sku":"961-1913","price":859.0,"currency_code":"USD","in_stock":false},{"title":"2020 \/ CRF 450R \/ Stainless with Carbon Cap","offer_id":49252603625759,"sku":"961-1913","price":859.0,"currency_code":"USD","in_stock":false},{"title":"2019 \/ CRF 450RX \/ Stainless with Carbon Cap","offer_id":49252603789599,"sku":"961-1913","price":859.0,"currency_code":"USD","in_stock":false},{"title":"2020 \/ CRF 450RX \/ Stainless with Carbon Cap","offer_id":49252603592991,"sku":"961-1913","price":859.0,"currency_code":"USD","in_stock":false},{"title":"2022 \/ CRF 450RS \/ Stainless with Carbon Cap","offer_id":49252603855135,"sku":"961-1913","price":859.0,"currency_code":"USD","in_stock":false},{"title":"2018 \/ CRF 250R \/ Stainless with Carbon Cap","offer_id":49252603560223,"sku":"961-1910","price":989.0,"currency_code":"USD","in_stock":true},{"title":"2019 \/ CRF 250R \/ Stainless with Carbon Cap","offer_id":49252603527455,"sku":"961-1910","price":989.0,"currency_code":"USD","in_stock":true},{"title":"2019 \/ CRF 250RX \/ Stainless with Carbon Cap","offer_id":49252603887903,"sku":"961-1910","price":989.0,"currency_code":"USD","in_stock":true},{"title":"2017 \/ CRF 450R \/ Stainless with Carbon Cap","offer_id":49252603920671,"sku":"961-1909","price":979.0,"currency_code":"USD","in_stock":false},{"title":"2018 \/ CRF 450R \/ Stainless with Carbon Cap","offer_id":49252603953439,"sku":"961-1909","price":979.0,"currency_code":"USD","in_stock":false},{"title":"2017 \/ CRF 450RX \/ Stainless with Carbon Cap","offer_id":49252603986207,"sku":"961-1909","price":979.0,"currency_code":"USD","in_stock":false},{"title":"2018 \/ CRF 450RX \/ Stainless with Carbon Cap","offer_id":49252604018975,"sku":"961-1909","price":979.0,"currency_code":"USD","in_stock":false},{"title":"2022 \/ Grom \/ Stainless with Carbon Cap","offer_id":49252604051743,"sku":"960-1279","price":639.0,"currency_code":"USD","in_stock":true},{"title":"2023 \/ Grom \/ Stainless with Carbon Cap","offer_id":49252604084511,"sku":"960-1279","price":639.0,"currency_code":"USD","in_stock":true},{"title":"2024 \/ Grom \/ Stainless with Carbon Cap","offer_id":49252604117279,"sku":"960-1279","price":639.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/yosh-rs95-sig-series-slip-on-2_eba423bc-ffc8-41a3-a618-1e9b961ce6e0.jpg?v=1726037863"},{"product_id":"fmf-powercore-4-hex-slip-on-muffler-kawasaki","title":"FMF - Powercore 4 Hex Slip-on Muffler (Kawasaki)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eFMF – Powercore 4 Hex Slip-On Muffler (Kawasaki)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe style=\"width: 100%; max-width: 560px; height: auto; aspect-ratio: 16\/9;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/g4yniB4mWv4?si=70N9JsZPiJsi0j1p\"\u003e\n\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003eFMF Powercore 4 Hex Slip-On Muffler\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003ebrings race-bred performance and sound to your Kawasaki at a price that makes sense. Designed for closed-course riding, this slip-on is built to boost horsepower and torque across the entire rpm range using FMF’s proven \u003c\/span\u003e\u003cspan\u003eHi-Flo internal core design\u003c\/span\u003e\u003cspan\u003e. The result? Smoother throttle response, a stronger midrange hit, and a crisp, aggressive exhaust note that transforms how your bike feels on the track or trail.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cspan\u003ePowercore 4 Hex\u003c\/span\u003e\u003cspan\u003e borrows features from FMF’s factory-level exhausts, including an \u003c\/span\u003e\u003cspan\u003eenhanced sonic evacuation system\u003c\/span\u003e\u003cspan\u003e that helps gases exit faster for improved flow and power. The \u003c\/span\u003e\u003cspan\u003estainless steel mid pipe\u003c\/span\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cspan\u003ealuminum canister\u003c\/span\u003e\u003cspan\u003e keep weight low and durability high, while the \u003c\/span\u003e\u003cspan\u003eSpace Age internal packing material\u003c\/span\u003e\u003cspan\u003e maximizes lifespan between repacks. A \u003c\/span\u003e\u003cspan\u003eremovable spark arrestor\u003c\/span\u003e\u003cspan\u003e comes standard, making it versatile enough for both track and off-road use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e It’s a real performance upgrade that doesn’t break the bank. The sound is crisp without being obnoxious, and the fit and finish are pure FMF — clean welds, tight tolerances, and a factory-level look.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e This slip-on gives your Kawasaki more pull everywhere — from easier throttle control to better acceleration out of corners. It’s simple to install, lightweight, and built tough enough to handle seasons of hard riding. Plus, with the included spark arrestor, you’re ready for the track or the trails.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e Compatible with FMF or stock OEM headers. Works with most modern Kawasaki off-road and dual-sport models.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eNoticeable increase in \u003c\/span\u003e\u003cspan\u003epower and torque\u003c\/span\u003e\u003cspan\u003e across the rpm range\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eHi-Flo core design\u003c\/span\u003e\u003cspan\u003e for improved airflow and throttle response\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eDurable stainless steel and aluminum\u003c\/span\u003e\u003cspan\u003e construction\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eSpace Age internal packing\u003c\/span\u003e\u003cspan\u003e extends service life\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eEnhanced sonic evacuation\u003c\/span\u003e\u003cspan\u003e for better exhaust flow\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eRemovable spark arrestor\u003c\/span\u003e\u003cspan\u003e included\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eCompatible with \u003c\/span\u003e\u003cspan\u003eFMF or stock headers\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eFactory-level performance at an affordable price\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"FMF","offers":[{"title":"KX 450F - '24-'25","offer_id":50047678382367,"sku":"79-042401","price":359.99,"currency_code":"USD","in_stock":false},{"title":"KX 450F - '19-'23","offer_id":50047674188063,"sku":"18211886","price":404.99,"currency_code":"USD","in_stock":true},{"title":"KX 450F - '16-'18","offer_id":50047670812959,"sku":"79-3048","price":359.99,"currency_code":"USD","in_stock":true},{"title":"KX 450F -'12-'15","offer_id":52245106098463,"sku":"18211522","price":404.99,"currency_code":"USD","in_stock":false},{"title":"KX 250F - '25","offer_id":51098699923743,"sku":"79-042409","price":359.99,"currency_code":"USD","in_stock":true},{"title":"KX 250F - '21-'24","offer_id":50047669272863,"sku":"79-042392","price":359.99,"currency_code":"USD","in_stock":false},{"title":"KX 250F - '17-'20","offer_id":50047665504543,"sku":"18211794","price":404.99,"currency_code":"USD","in_stock":true},{"title":"KX 250F - '09-'16","offer_id":50047663571231,"sku":"18211520","price":404.99,"currency_code":"USD","in_stock":true},{"title":"KLX 300R - '20-'21","offer_id":49253158813983,"sku":"79-42387","price":359.99,"currency_code":"USD","in_stock":true},{"title":"KX 250X - '25","offer_id":51098699956511,"sku":"79-042409","price":359.99,"currency_code":"USD","in_stock":true},{"title":"KX 250X - '21-'24","offer_id":50047669305631,"sku":"79-042392","price":359.99,"currency_code":"USD","in_stock":false},{"title":"KX 450X - '24-'25","offer_id":50047678415135,"sku":"79-042401","price":359.99,"currency_code":"USD","in_stock":false},{"title":"KX 450X - '19-'23","offer_id":50047674220831,"sku":"18211886","price":404.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BTO_-Recovered.psd_0000_18212091.jpg?v=1726041593"},{"product_id":"yoshimura-rs-4-full-system-kawasaki","title":"Yoshimura - RS-4 Full System (Kawasaki)","description":"\u003ch2\u003eYoshimura - RS-4 Signature Series Full System (Kawasaki)\u003c\/h2\u003e\r\n\u003cp\u003eThe Yoshimura RS-4 Signature series full exhaust system for Kawasaki has been developed to win races. Adding power throughout the range and providing torque to help the KX250F get out of the gate to grab holeshots, the RS-4 system gives the rider confidence to battle with the best. The RS-4 has also been designed to save weight and add monster performance over the stock system. The unique Pentagonal-shape sleeve gives your bike that factory look while adding an exhaust note that isn’t loud thanks to the Polyresonant duplex chamber and two staged stepped baffle for increased performance. Adding to the factory look, the RS-4 includes a Stainless Steel header pipe that is durable and is finished off with a Carbon Fiber cone end cap.\u003cbr\u003e \u003cbr\u003eFor riders looking to shave off even more weight, the RS-4 Signature series for Kawasaki comes in two Titanium versions to match anyone’s factory look. Yoshimura has done it again and offered factory equipment for any rider looking to increase power on their motocross bike.\u003cbr\u003e \u003cbr\u003eWith years of involvement in professional racing, Yoshimura did not hold back in the development of the RS-4 Signature Series for Kawasaki motocross bikes. From their clean look to their fit and finish, Yoshimura exhaust systems are the built to the highest standards so you don’t have to worry about loss of power at the wrong time.\u003c\/p\u003e\r\n\u003cp\u003eYou can find all your Yoshimura RS-4 Signature Series Full Exhaust systems for Kawasaki at BTO Sports, where we have the best prices and availability for your bike. While this particular offering from Yoshimura is for the 2017 Kawasaki motocross bikes such as the KXF250, we also carry parts for KTM, Yamaha, Honda, Suzuki, and Husqvarna as well. Be sure to check BTO often for the latest dirt bike parts like the Yoshimura RS-4 Signature Series Kawasaki Full System.\u003c\/p\u003e\r\n\u003cp\u003e \u003c\/p\u003e\r\n\u003ch2\u003eFeatures:\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003ePentagonal-shaped sleeve\u003c\/li\u003e\r\n\u003cli\u003eFront muffler cap functions as a polyresonant chamber which helps reduce noise\u003c\/li\u003e\r\n\u003cli\u003eTwo-stage stepped baffle\u003c\/li\u003e\r\n\u003cli\u003eCarbon fiber end-cap\u003c\/li\u003e\r\n\u003cli\u003eOffered in three models:\u003c\/li\u003e\r\n\u003cli\u003e - Stainless header, Aluminum can w\/ Carbon End Cap\u003c\/li\u003e\r\n\u003cli\u003e - Titanium header, Titanium can w\/ Carbon End Cap\u003c\/li\u003e\r\n\u003cli\u003e - Titanium header, Carbon can w\/ Carbon End Cap\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e \u003c\/p\u003e","brand":"Yoshimura","offers":[{"title":"Stainless with Carbon Cap \/ 2017 \/ KX 250F","offer_id":49253210521887,"sku":"961-3410","price":789.0,"currency_code":"USD","in_stock":true},{"title":"Stainless with Carbon Cap \/ 2018 \/ KX 250F","offer_id":49253210554655,"sku":"961-3410","price":789.0,"currency_code":"USD","in_stock":true},{"title":"Stainless with Carbon Cap \/ 2019 \/ KX 250F","offer_id":49253210587423,"sku":"961-3410","price":789.0,"currency_code":"USD","in_stock":true},{"title":"Stainless with Carbon Cap \/ 2020 \/ KX 250F","offer_id":49253210620191,"sku":"961-3410","price":789.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/yoshimura-rs-4-signature-kawasaki.jpg?v=1726042047"},{"product_id":"yoshimura-rs-4-slip-on-kawasaki","title":"Yoshimura - RS-4 Slip-On (Kawasaki)","description":"\u003ch3\u003eYoshimura - RS-4 Slip-On (Kawasaki)\u003c\/h3\u003e\n\u003ch4\u003eDescription:\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eRS-4 exhaust systems illustrates the endless cycle of development. Working in conjunction with the factory teams has provided us with new ways to increase performance, lower sound levels and centralize mass. The end result is a product that gives you an unparalleled competitive advantage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIf you're serious - it's only Yoshimura. Proudly made in the USA!\u003c\/p\u003e\n\u003ch4\u003eFeatures:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePentagonal-shaped sleeve\u003c\/li\u003e\n\u003cli\u003eFront muffler cap functions as a poly-resonant chamber which helps reduce noise\u003c\/li\u003e\n\u003cli\u003eTwo-stage stepped baffle\u003c\/li\u003e\n\u003cli\u003eCarbon fiber end-cap\u003c\/li\u003e\n\u003cli\u003eStainless Steel Tail-pipe\u003c\/li\u003e\n\u003cli\u003eRepack Kits, optional\u003cspan\u003e \u003c\/span\u003eInserts\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003eSpark Arresters\u003cspan\u003e \u003c\/span\u003eare available for all models\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"KX 250F - '17-'20","offer_id":49253236408607,"sku":"961-3411","price":619.0,"currency_code":"USD","in_stock":true},{"title":"KX 450F - ''19-'23","offer_id":50544968139039,"sku":"961-3413","price":589.0,"currency_code":"USD","in_stock":false},{"title":"KX 450SR - '22-'23","offer_id":50544968171807,"sku":"961-3413","price":589.0,"currency_code":"USD","in_stock":false},{"title":"KX 450X - 21-'23","offer_id":50544968204575,"sku":"961-3413","price":589.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/yoshimura-rs4-sig-stainless-slipon-kawasaki_fd0a0e21-6e56-4f0f-825b-573c8908e1a3.jpg?v=1726042170"},{"product_id":"fmf-factory-4-1-rct-complete-system-husqvarna","title":"FMF - Factory 4.1 RCT Complete System (Husqvarna)","description":"\u003ch3\u003eFMF - Factory 4.1 RCT Complete System (Husqvarna)\u003c\/h3\u003e\n\u003ch4\u003e\u003clabel class=\"tab-label\" for=\"chck1\"\u003eDescription:\u003c\/label\u003e\u003c\/h4\u003e\n\u003cdiv class=\"tab-content\"\u003e\n\u003cp\u003eThe Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our Factory Forward Engineering - moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory.\u003c\/p\u003e\n\u003ch4\u003eFeatures:\u003c\/h4\u003e\n\u003c\/div\u003e\n\u003cul class=\"mb-4 mt-2 pl-3 font-weight-light\" style=\"color: #231f20; font-family: 'IBM Plex Sans Condensed', sans-serif; font-size: 15px; background-color: #ffffff; margin-bottom: 1.96875rem; margin-top: .65625rem; padding-left: 1.3125rem;\"\u003e\n\u003cli class=\"ng-star-inserted\"\u003eThe Factory 4.1 RCT incorporates FMF Resonance Chamber Technology™ both internally and externally\u003c\/li\u003e\n\u003cli class=\"ng-star-inserted\"\u003eShorter overall length that is less susceptible to crash damage and complementary to FMF's Factory Forward Engineering - moving the muffler closer to the motor to centralize mass\u003c\/li\u003e\n\u003cli class=\"ng-star-inserted\"\u003eThe Factory 4.1 RCT is constructed from only aerospace grade materials that meet FMF's exacting specifications and is manufactured 100% at their Southern California factory\u003c\/li\u003e\n\u003cli class=\"ng-star-inserted\"\u003eMassive Power gains throughout the RPM range.\u003c\/li\u003e\n\u003cli class=\"ng-star-inserted\"\u003eHuge weight savings\u003c\/li\u003e\n\u003cli class=\"ng-star-inserted\"\u003eNew RTS (Rapid Tuning System)\u003c\/li\u003e\n\u003cli class=\"ng-star-inserted\"\u003eIncludes MegaBomb header\u003c\/li\u003e\n\u003cli class=\"ng-star-inserted\"\u003eIncludes spark arrestor screen insert\u003c\/li\u003e\n\u003cli class=\"ng-star-inserted\"\u003eCarbon Fiber end cap\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FMF","offers":[{"title":"FC 250 - '19-'22 \/ Stainless","offer_id":49253481546015,"sku":"18201871","price":944.99,"currency_code":"USD","in_stock":false},{"title":"FC 250 - '19-'22 \/ Titanium Anodized Blue","offer_id":50043622981919,"sku":"18201872","price":1196.99,"currency_code":"USD","in_stock":false},{"title":"FC 350 - '19-'22 \/ Titanium Anodized Blue","offer_id":50043679932703,"sku":"18201874","price":1196.99,"currency_code":"USD","in_stock":false},{"title":"FC 450 - '19-'22 \/ Stainless","offer_id":50043788067103,"sku":"18201875","price":944.99,"currency_code":"USD","in_stock":true},{"title":"FC 450 Rockstar Edition - '18 \/ Stainless","offer_id":50043787968799,"sku":"18201875","price":944.99,"currency_code":"USD","in_stock":true},{"title":"FC 450 Rockstar Edition - '20-'21 \/ Stainless","offer_id":50043788001567,"sku":"18201875","price":944.99,"currency_code":"USD","in_stock":true},{"title":"FE 250 - '20-'23 (w\/SS Headpipe) \/ Titanium Anodized Blue","offer_id":50043649163551,"sku":"79-40686","price":1057.49,"currency_code":"USD","in_stock":false},{"title":"FE 350 - '20-'23 (w\/SS Headpipe) \/ Stainless","offer_id":50043706343711,"sku":"18201954","price":967.49,"currency_code":"USD","in_stock":false},{"title":"FE 350 - '20-'23 (w\/SS Headpipe) \/ Titanium Anodized Blue","offer_id":50043706376479,"sku":"18201957","price":1057.49,"currency_code":"USD","in_stock":false},{"title":"FE 350 Rockstar Edition - '21 (w\/SS Headpipe) \/ Stainless","offer_id":50043706409247,"sku":"18201954","price":967.49,"currency_code":"USD","in_stock":false},{"title":"FE 350 Rockstar Edition - '21 (w\/SS Headpipe) \/ Titanium Anodized Blue","offer_id":50043706442015,"sku":"18201957","price":1057.49,"currency_code":"USD","in_stock":false},{"title":"FE 450 - '23 (w\/SS Headpipe) \/ Stainless","offer_id":50043805040927,"sku":"79-40678","price":967.49,"currency_code":"USD","in_stock":false},{"title":"FE 450 - '23 (w\/SS Headpipe) \/ Titanium Anodized Blue","offer_id":50043805073695,"sku":"18201958","price":1057.49,"currency_code":"USD","in_stock":false},{"title":"FE 450 - '20-'21 (w\/SS Headpipe) \/ Stainless","offer_id":50043804975391,"sku":"79-40678","price":967.49,"currency_code":"USD","in_stock":false},{"title":"FE 450 - '20-'21 (w\/SS Headpipe) \/ Titanium Anodized Blue","offer_id":50043805008159,"sku":"18201958","price":1057.49,"currency_code":"USD","in_stock":false},{"title":"FE 501 - '20-'23 \/ Stainless","offer_id":50043840725279,"sku":"18201959","price":967.49,"currency_code":"USD","in_stock":false},{"title":"FE 501 - '20-'23 \/ Titanium Anodized Blue","offer_id":50043840758047,"sku":"18201960","price":1057.49,"currency_code":"USD","in_stock":true},{"title":"FX 350 - '19-'22 \/ Titanium Anodized Blue","offer_id":50043679998239,"sku":"18201874","price":1196.99,"currency_code":"USD","in_stock":false},{"title":"FX 450 - 19-'22 \/ Stainless","offer_id":50043788034335,"sku":"18201875","price":944.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BTO__3__0000_68A0BD7E-3E1E-4335-AA8E-DE398DE5CBDE.jpg?v=1734538372"},{"product_id":"fmf-factory-4-1-rct-titanium-slip-on-exhaust-w-mid-pipe-gas-gas","title":"FMF - Factory 4.1 RCT Titanium Slip-On Exhaust w\/Mid Pipe (Gas Gas)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eFMF – Factory 4.1 RCT Slip-On Muffler with Titanium Mid Pipe (GasGas)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe style=\"width: 100%; max-width: 560px; height: auto; aspect-ratio: 16\/9;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/g4yniB4mWv4?si=70N9JsZPiJsi0j1p\"\u003e\n\u003c\/iframe\u003e \u003ciframe style=\"width: 100%; max-width: 560px; height: auto; aspect-ratio: 16\/9;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/OXiwy8b7xp0?si=AAKT3LLZV2smUOl6\"\u003e\n\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe \u003cstrong\u003eFMF Factory 4.1 RCT Slip-On Muffler\u003c\/strong\u003e is pure factory engineering tailored for GasGas performance. Built with FMF’s exclusive Resonance Chamber Technology™ (RCT) both inside and out, this system smooths exhaust flow, sharpens throttle response, and delivers a broader power curve across the entire rpm range. It’s designed to make your GasGas lighter, faster, and more responsive while maintaining that deep, clean FMF tone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eConstructed entirely from aerospace-grade titanium, the Factory 4.1 RCT features a Blue Anodized Titanium canister, carbon fiber end cap, and Titanium mid pipe for unbeatable strength and weight reduction. FMF’s Factory Forward Engineering moves the muffler closer to the motor for better balance and handling, while the shorter overall length makes it more resistant to crash damage. With the Rapid Tuning System (RTS) and included 94dB insert and spark arrestor, this slip-on gives you full control over your sound and setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e It’s lightweight, responsive, and race-proven — everything a GasGas exhaust should be. The titanium build not only looks incredible but also frees up power while keeping noise levels dialed. You can feel the throttle snap and midrange pull instantly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e This slip-on adds serious performance without the hassle of a full system. You’ll notice stronger power delivery across the rpm range, better throttle feel, and improved handling from the centralized weight. Plus, with the included inserts, it’s easy to switch between race-day performance and trail-ready compliance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e Available in Blue Anodized Titanium with Carbon Fiber End Cap. Compatible with FMF or OEM headers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eFMF Resonance Chamber Technology™ (RCT) for enhanced torque and sound control\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eFactory Forward Engineering centralizes mass for better balance\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTitanium construction throughout: canister and mid pipe\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eBlue anodized finish with carbon fiber end cap for factory style\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eRapid Tuning System (RTS) for easy insert and maintenance changes\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eMassive power gains throughout the rpm range\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eHuge weight savings – just 6.4 lbs. total\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eIncludes spark arrestor screen and 94dB quiet insert\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eClosed-course use only\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eHandcrafted in Southern California, USA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"FMF","offers":[{"title":"EC 250F - '21 \/ Not Included","offer_id":50037012037919,"sku":"79-40417","price":584.99,"currency_code":"USD","in_stock":true},{"title":"EC 350F - '21 \/ Not Included","offer_id":50037012070687,"sku":"79-40417","price":584.99,"currency_code":"USD","in_stock":true},{"title":"EX 250F - '21-'23 \/ Included","offer_id":49254834077983,"sku":"79-40416","price":769.49,"currency_code":"USD","in_stock":true},{"title":"EX 350F - '21-'23 \/ Included","offer_id":50036750942495,"sku":"79-40412","price":769.49,"currency_code":"USD","in_stock":true},{"title":"EX 450F - '21-'23 \/ Included","offer_id":50036750975263,"sku":"79-40412","price":769.49,"currency_code":"USD","in_stock":true},{"title":"MC 250F 2'21-'23 \/ Included","offer_id":49254834307359,"sku":"79-40416","price":769.49,"currency_code":"USD","in_stock":true},{"title":"MC 350F - '21-'23 \/ Included","offer_id":50036751008031,"sku":"79-40412","price":769.49,"currency_code":"USD","in_stock":true},{"title":"MC 450F - '21-'23 \/ Included","offer_id":50036751040799,"sku":"79-40412","price":769.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BTO__3__0000_Factory4.1TitaniumSlipOn_1_1800x1800_b3e37140-a881-423a-8c06-f7bb10df9248.jpg?v=1734372918"},{"product_id":"pro-circuit-t-6-stainless-slip-on-exhaust-gas-gas","title":"Pro Circuit - T-6 Stainless Slip-On Exhaust (Gas Gas)","description":"\u003cp\u003e\u003cspan size=\"4\" style=\"font-size: large;\"\u003e\u003cb\u003ePro Circuit - T-6 Stainless Slip-On Exhaust (Gas Gas)\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp style=\"border: 0px; outline: none; margin: 0px; padding: 0px; font-family: Arial, sans-serif; font-size: 12px; text-align: justify; background-color: #ffffff;\"\u003e\u003cstrong\u003eExhaust Description: \u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp style=\"border: 0px; outline: none; margin: 0px; padding: 0px; font-family: Arial, sans-serif; font-size: 12px; text-align: justify; background-color: #ffffff;\"\u003e\u003cstrong\u003e\u003c\/strong\u003eThe T-6 Stainless Steel Slip-On is for riders looking for an inexpensive, easy-to-install, durable performance silencer that can bolt right onto their stock head pipe. The T-6 Slip-On is constructed of stainless steel and high quality aluminum for increased durability. The T-6 Slip-On is a great option for any rider looking for an increase in performance on a small budget. A removable USFS approved spark arrestor is included to make it easier to alternate between off-road and closed-course racing.\u003c\/p\u003e\r\n\u003cp style=\"border: 0px; outline: none; margin: 0px; padding: 0px; font-family: Arial, sans-serif; font-size: 12px; text-align: justify; background-color: #ffffff;\"\u003e \u003c\/p\u003e\r\n\u003cdiv style=\"border: 0px; outline: none; margin: 0px; padding: 0px; font-family: Arial, sans-serif; font-size: 12px; text-align: justify; background-color: #ffffff;\"\u003e\u003cstrong\u003eFeatures Include:\u003c\/strong\u003e\u003c\/div\u003e\r\n\u003cdiv style=\"border: 0px; outline: none; margin: 0px; padding: 0px; font-family: Arial, sans-serif; font-size: 12px; text-align: justify; background-color: #ffffff;\"\u003e\r\n\u003cul style=\"border: 0px; outline: none; margin: 0px 0px 0px 40px; padding: 0px; list-style-position: initial; list-style-image: initial;\"\u003e\r\n\u003cli style=\"border: 0px; outline: none; margin: 0px; padding: 0px;\"\u003eImproved performance\u003c\/li\u003e\r\n\u003cli style=\"border: 0px; outline: none; margin: 0px; padding: 0px;\"\u003eStainless steel end-cap\u003c\/li\u003e\r\n\u003cli style=\"border: 0px; outline: none; margin: 0px; padding: 0px;\"\u003eAluminum canister\u003c\/li\u003e\r\n\u003cli style=\"border: 0px; outline: none; margin: 0px; padding: 0px;\"\u003eSuperior strength mounting bracket for durability\u003c\/li\u003e\r\n\u003cli style=\"border: 0px; outline: none; margin: 0px; padding: 0px;\"\u003eAsymmetrical muffler design allows for increased packing volume\u003c\/li\u003e\r\n\u003cli style=\"border: 0px; outline: none; margin: 0px; padding: 0px;\"\u003eRemovable USFS approved spark arrestor\u003c\/li\u003e\r\n\u003cli style=\"border: 0px; outline: none; margin: 0px; padding: 0px;\"\u003eTIG precision welding\u003c\/li\u003e\r\n\u003cli style=\"border: 0px; outline: none; margin: 0px; padding: 0px;\"\u003eMade in the USA\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e","brand":"Pro Circuit","offers":[{"title":"2021 \/ MC 250F","offer_id":49254890471711,"sku":"18211934","price":617.45,"currency_code":"USD","in_stock":true},{"title":"2022 \/ MC 250F","offer_id":49254890504479,"sku":"18211934","price":617.45,"currency_code":"USD","in_stock":true},{"title":"2023 \/ MC 250F","offer_id":49254890537247,"sku":"18211934","price":617.45,"currency_code":"USD","in_stock":true},{"title":"2022 \/ MC 350F","offer_id":49254890602783,"sku":"18211935","price":617.45,"currency_code":"USD","in_stock":true},{"title":"2023 \/ MC 350F","offer_id":49254890635551,"sku":"18211935","price":617.45,"currency_code":"USD","in_stock":true},{"title":"2021 \/ MC 450F","offer_id":49254890570015,"sku":"18211878","price":531.86,"currency_code":"USD","in_stock":false},{"title":"2022 \/ MC 450F","offer_id":49254890668319,"sku":"18211878","price":531.86,"currency_code":"USD","in_stock":false},{"title":"2023 \/ MC 450F","offer_id":49254890701087,"sku":"18211878","price":531.86,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/pro-circuit-t-6-slip-on-husqvarna_8f4f62b1-e324-4b44-a16e-437922c5b534.jpg?v=1726052021"},{"product_id":"pro-circuit-t-6-stainless-slip-on-exhaust-honda","title":"Pro Circuit - T-6 Stainless Slip-On Exhaust (Honda)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003ePro Circuit – T-6 Stainless Slip-On Exhaust (Honda)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/jxmGoUoFr2E?si=kmeglR1q6amppoJG\" title=\"YouTube video player\" style=\"width: 100%; max-width: 560px; height: auto; aspect-ratio: 16\/9;\"\u003e\n\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003ePro Circuit T-6 Stainless Slip-On Exhaust\u003c\/strong\u003e\u003cspan\u003e is the perfect upgrade for Honda riders who want better performance and sound without breaking the bank. Built for real-world riding, the T-6 is designed to be tough, easy to install, and compatible with your \u003c\/span\u003e\u003cspan\u003estock head pipe\u003c\/span\u003e\u003cspan\u003e. Made with a \u003c\/span\u003e\u003cspan\u003estainless steel mid-pipe and end cap\u003c\/span\u003e\u003cspan\u003e and a lightweight \u003c\/span\u003e\u003cspan\u003ealuminum canister\u003c\/span\u003e\u003cspan\u003e, it delivers a noticeable boost in power while keeping weight low and durability high.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eEquipped with a \u003c\/span\u003e\u003cspan\u003eremovable USFS-approved spark arrestor\u003c\/span\u003e\u003cspan\u003e, the T-6 transitions effortlessly between off-road and closed-course setups. Its \u003c\/span\u003e\u003cspan\u003easymmetrical muffler design\u003c\/span\u003e\u003cspan\u003e increases internal packing volume for consistent flow and longevity, while \u003c\/span\u003e\u003cspan\u003eTIG precision welds\u003c\/span\u003e\u003cspan\u003e and a \u003c\/span\u003e\u003cspan\u003emachined aluminum bracket\u003c\/span\u003e\u003cspan\u003e ensure strength and fitment that lasts. The tone is classic Pro Circuit — crisp, controlled, and unmistakably race-bred.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e It’s a smart, affordable way to wake up your Honda. The T-6 adds clean, usable power across the range and gives your bike that deep, race-tuned exhaust note. Plus, it’s built like a tank — the kind of silencer you can bolt on and trust for season after season.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e This slip-on gives you more throttle response and smoother power delivery without needing a full system. It’s lighter, more durable, and simple to maintain. And with the included spark arrestor, you’re covered for both track days and trail rides.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e Fits most modern \u003c\/span\u003e\u003cspan\u003eHonda motocross and off-road models\u003c\/span\u003e\u003cspan\u003e. Includes \u003c\/span\u003e\u003cspan\u003eremovable USFS-approved spark arrestor\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eImproves performance\u003c\/span\u003e\u003cspan\u003e across the rpm range\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eStainless steel mid-pipe and end cap\u003c\/span\u003e\u003cspan\u003e for durability\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eLightweight aluminum canister\u003c\/span\u003e\u003cspan\u003e for reduced weight\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eMachined aluminum bracket\u003c\/span\u003e\u003cspan\u003e adds strength and stability\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eAsymmetrical muffler shape\u003c\/span\u003e\u003cspan\u003e increases packing volume and consistency\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eRemovable USFS-approved spark arrestor\u003c\/span\u003e\u003cspan\u003e for off-road use\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eTIG precision welded\u003c\/span\u003e\u003cspan\u003e for long-term reliability\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eEasy installation\u003c\/span\u003e\u003cspan\u003e using stock head pipe\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eHandcrafted in the USA by Pro Circuit\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Pro Circuit","offers":[{"title":"2025 \/ CRF 450X","offer_id":51098778960159,"sku":"794-0636","price":759.95,"currency_code":"USD","in_stock":false},{"title":"2025 \/ CRF 450R","offer_id":51098778992927,"sku":"794-0651","price":759.95,"currency_code":"USD","in_stock":false},{"title":"2025 \/ CRF 450RX","offer_id":51098779025695,"sku":"794-0651","price":759.95,"currency_code":"USD","in_stock":false},{"title":"2025 \/ CRF 450R Works Edition","offer_id":51098779058463,"sku":null,"price":531.86,"currency_code":"USD","in_stock":false},{"title":"2025 \/ CRF 150R","offer_id":51098779091231,"sku":"794-0600","price":531.86,"currency_code":"USD","in_stock":false},{"title":"2025 \/ CRF 250R","offer_id":51098779123999,"sku":"794-0660","price":759.95,"currency_code":"USD","in_stock":true},{"title":"2025 \/ CRF 250RX","offer_id":51098779156767,"sku":"794-0660","price":759.95,"currency_code":"USD","in_stock":true},{"title":"2024 \/ CRF 450X","offer_id":49255136919839,"sku":"18211968","price":759.05,"currency_code":"USD","in_stock":false},{"title":"2023 \/ CRF 450X","offer_id":49255136887071,"sku":"794-0636","price":759.95,"currency_code":"USD","in_stock":false},{"title":"2023 \/ CRF 450R","offer_id":49255136330015,"sku":"794-0651","price":759.95,"currency_code":"USD","in_stock":false},{"title":"2023 \/ CRF 450RX","offer_id":49255136428319,"sku":"794-0651","price":759.95,"currency_code":"USD","in_stock":false},{"title":"2023 \/ CRF 450R Works Edition","offer_id":49255136526623,"sku":"794-0651","price":759.95,"currency_code":"USD","in_stock":false},{"title":"2023 \/ CRF 150R","offer_id":49255136198943,"sku":"794-0600","price":531.86,"currency_code":"USD","in_stock":false},{"title":"2022 \/ CRF 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250R","offer_id":49255136755999,"sku":"18211997","price":531.86,"currency_code":"USD","in_stock":false},{"title":"2020 \/ CRF 250RX","offer_id":49255136788767,"sku":"18211997","price":531.86,"currency_code":"USD","in_stock":false},{"title":"2019 \/ CRF 450X","offer_id":49255136559391,"sku":"794-0636","price":759.95,"currency_code":"USD","in_stock":false},{"title":"2019 \/ CRF 450R","offer_id":49255136821535,"sku":"18211946","price":993.65,"currency_code":"USD","in_stock":false},{"title":"2019 \/ CRF 150R","offer_id":49255136067871,"sku":"794-0600","price":531.86,"currency_code":"USD","in_stock":false},{"title":"2019 \/ CRF 250R","offer_id":49255136723231,"sku":"18211860","price":993.65,"currency_code":"USD","in_stock":true},{"title":"2018 \/ CRF 150R","offer_id":49255136035103,"sku":"794-0600","price":531.86,"currency_code":"USD","in_stock":false},{"title":"2018 \/ CRF 250R","offer_id":49255136690463,"sku":"18211860","price":993.65,"currency_code":"USD","in_stock":true},{"title":"2017 \/ CRF 150R","offer_id":49255136002335,"sku":"794-0600","price":531.86,"currency_code":"USD","in_stock":false},{"title":"2016 \/ CRF 150R","offer_id":49255135969567,"sku":"794-0600","price":531.86,"currency_code":"USD","in_stock":false},{"title":"2015 \/ CRF 150R","offer_id":49255135936799,"sku":"794-0600","price":531.86,"currency_code":"USD","in_stock":false},{"title":"2014 \/ CRF 150R","offer_id":49255135904031,"sku":"794-0600","price":531.86,"currency_code":"USD","in_stock":false},{"title":"2013 \/ CRF 150R","offer_id":49255135871263,"sku":"794-0600","price":531.86,"currency_code":"USD","in_stock":false},{"title":"2012 \/ CRF 150R","offer_id":49255135838495,"sku":"794-0600","price":531.86,"currency_code":"USD","in_stock":false},{"title":"2011 \/ CRF 150R","offer_id":49255135805727,"sku":"794-0600","price":531.86,"currency_code":"USD","in_stock":false},{"title":"2010 \/ CRF 150R","offer_id":49255135772959,"sku":"794-0600","price":531.86,"currency_code":"USD","in_stock":false},{"title":"2009 \/ CRF 150R","offer_id":49255135740191,"sku":"794-0600","price":531.86,"currency_code":"USD","in_stock":false},{"title":"2008 \/ CRF 150R","offer_id":49255135707423,"sku":"794-0600","price":531.86,"currency_code":"USD","in_stock":false},{"title":"2007 \/ CRF 150R","offer_id":49255135674655,"sku":"794-0600","price":531.86,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/pro-circuit-t-6-slip-on-husqvarna_bf3cd91f-5b86-47aa-a744-bc8e266ba2c1.jpg?v=1726053646"},{"product_id":"pro-circuit-ti-6-pro-titanium-exhaust-system-husqvarna","title":"Pro Circuit - Ti-6 Pro Titanium Exhaust System (Husqvarna)","description":"\u003ch3\u003ePro Circuit - Ti-6 Pro Titanium Exhaust System (Husqvarna)\u003c\/h3\u003e\n\u003cp\u003ePro Circuit's Ti-6 Pro Titanium Exhaust System was created for professional racers competing in a series such as AMA Supercross or AMA Motocross to ensure they pass AMA\/FIM sound regulations. The Ti-6 Pro Titanium Exhaust System is constructed of titanium throughout the head pipe, mid pipe, and canister while the end-cap is carbon fiber. The Ti-6 Pro is the next generation of professional level race exhausts.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThe Ti-6 Pro is a full race system intended for closed-course racing only, and does not include a USFS approved spark arrestor.\u003c\/b\u003e\u003c\/p\u003e\n\u003ch4\u003eFeatures:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePasses AMA\/FIM sound regulations\u003c\/li\u003e\n\u003cli\u003eImproves performance\u003c\/li\u003e\n\u003cli\u003eTitanium construction throughout head pipe, mid pipe, and canister\u003c\/li\u003e\n\u003cli\u003eCarbon fiber end-cap\u003c\/li\u003e\n\u003cli\u003eEquipped with RC-4 Resonance Chamber\u003c\/li\u003e\n\u003cli\u003eMachined aluminum muffler bracket for increased strength and durability\u003c\/li\u003e\n\u003cli\u003eAsymmetrical muffler configuration for increased packing volume\u003c\/li\u003e\n\u003cli\u003eMachined mid pipe to head pipe joint for a better, leak free fit\u003c\/li\u003e\n\u003cli\u003eTIG precision welding Made in the USA\u003cb\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Pro Circuit","offers":[{"title":"FC 250 - '19-'22","offer_id":49255190626591,"sku":"18201882","price":1206.45,"currency_code":"USD","in_stock":false},{"title":"FC 250 - '23-'25","offer_id":50508450988319,"sku":"18202026","price":1327.1,"currency_code":"USD","in_stock":true},{"title":"FC 250 Rockstar Edition - '22","offer_id":50508451021087,"sku":"18202026","price":1327.1,"currency_code":"USD","in_stock":true},{"title":"FC 250 Rockstar Edition - '24","offer_id":50508451053855,"sku":"18202026","price":1327.1,"currency_code":"USD","in_stock":true},{"title":"FC 350 - '23-'25","offer_id":50508400263455,"sku":"794-2658","price":1329.0,"currency_code":"USD","in_stock":false},{"title":"FC 450 - '23-'25","offer_id":50508421005599,"sku":"18202028","price":1327.1,"currency_code":"USD","in_stock":true},{"title":"FC 450 Rockstar Edition - '22-'24","offer_id":50508421038367,"sku":"18202028","price":1327.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/pro-circuit-ti-6-titanium-exhaust-system_bb7bf66a-4b2c-4cd2-87b9-2e755d867721.jpg?v=1726054006"},{"product_id":"pro-circuit-ti-6-titanium-exhaust-system-husqvarna","title":"Pro Circuit - Ti-6 Titanium Exhaust System (Husqvarna)","description":"\u003cp\u003e\u003ciframe style=\"width: 100%; max-width: 560px; height: auto; aspect-ratio: 16\/9;\" title=\"Pro Circuit - Ti-6 Titanium Exhaust System (Husqvarna)\" src=\"https:\/\/www.youtube.com\/embed\/BQ6FJTXS1n8?rel=0\"\u003e\n\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003ePro Circuit - Ti-6 Titanium Exhaust System (Husqvarna)\u003c\/h2\u003e\n\u003cp\u003eThe Pro Circuit Ti-6 Titanium Exhaust System is designed to improve performance and is constructed of titanium throughout the head pipe, mid pipe, and muffler canister while the end-cap is constructed of carbon fiber. The Ti-5 showed weak points. So with the Pro Circuit Ti-6 Titanium Exhaust System we shortened the muffler, and added a louder sounding system with a few modifications to accommodate the current motorcycle rider.\u003c\/p\u003e\n\u003cp\u003eAlthough the Pro Circuit Ti-6 Titanium Exhaust System will not pass FIM sound requirements seen in professional racing here in the states or in Europe, it is still the ideal system for any rider or racer looking for improved performance, lighter weight, and a professional look. In addition to all of these features, the Pro Circuit Ti-6 Exhaust System will come with a removable USFS approved spark arrestor making it easy for riders to switch between off-road riding and closed course racing.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures Include:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"style1\"\u003e\n\u003cli\u003eImproves performance\u003c\/li\u003e\n\u003cli\u003eTitanium construction throughout head pipe, mid pipe, and canister\u003c\/li\u003e\n\u003cli\u003eCarbon fiber end-cap construction\u003c\/li\u003e\n\u003cli\u003eEquipped with RC-4 Resonance Chamber to reduce noise output\u003c\/li\u003e\n\u003cli\u003eMachined aluminum muffler bracket for increased strength and durability\u003c\/li\u003e\n\u003cli\u003eAsymmetrical muffler configuration for increased packing volume\u003c\/li\u003e\n\u003cli\u003eMachined mid pipe to head pipe joint for a better, leak free fit\u003c\/li\u003e\n\u003cli\u003eRemovable USFS approved spark arrestor\u003c\/li\u003e\n\u003cli\u003eTIG precision welding\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pro Circuit","offers":[{"title":"FC 250 - '17-'18","offer_id":49255193936159,"sku":"794-2632","price":1206.45,"currency_code":"USD","in_stock":false},{"title":"FC 250 - '19-'22","offer_id":50507254366495,"sku":"18201892","price":1327.1,"currency_code":"USD","in_stock":true},{"title":"FC 250 - '23-'25","offer_id":50507347362079,"sku":"794-2656","price":1329.0,"currency_code":"USD","in_stock":false},{"title":"FC 250 Rockstar Edition - '22","offer_id":50507347394847,"sku":"794-2656","price":1329.0,"currency_code":"USD","in_stock":false},{"title":"FC 250 Rockstar Edition - '24","offer_id":50507347427615,"sku":"794-2656","price":1329.0,"currency_code":"USD","in_stock":false},{"title":"FC 350 - '23-'25","offer_id":50507347460383,"sku":"794-2656","price":1329.0,"currency_code":"USD","in_stock":false},{"title":"FC 350 - '19-'22","offer_id":50507364172063,"sku":"18211936","price":1327.1,"currency_code":"USD","in_stock":true},{"title":"FC 450 - '19-'22","offer_id":50507381473567,"sku":"18201835","price":1142.95,"currency_code":"USD","in_stock":false},{"title":"FC 450 - '23-'25","offer_id":50507405787423,"sku":"794-2661","price":1329.0,"currency_code":"USD","in_stock":false},{"title":"FC 450 Rockstar Edition - '18","offer_id":50507381506335,"sku":"18201835","price":1142.95,"currency_code":"USD","in_stock":false},{"title":"FC 450 Rockstar Edition - '22","offer_id":50507381539103,"sku":"18201835","price":1142.95,"currency_code":"USD","in_stock":false},{"title":"FC 450 Rockstar Edition - '23-'24","offer_id":50507405820191,"sku":"794-2661","price":1329.0,"currency_code":"USD","in_stock":false},{"title":"FS 450 - '21-'22","offer_id":50507381571871,"sku":"18201835","price":1142.95,"currency_code":"USD","in_stock":false},{"title":"FX 350 - '19-'22","offer_id":50507364204831,"sku":"18211936","price":1327.1,"currency_code":"USD","in_stock":true},{"title":"FX 450 - '23-'24","offer_id":50507405852959,"sku":"794-2661","price":1329.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/pro-circuit-ti-6-titanium-exhaust-system_9eee433b-2f34-4b27-ba33-aede4020a91f.jpg?v=1726054029"},{"product_id":"pro-circuit-t-6-stainless-exhaust-system-husqvarna","title":"Pro Circuit - T-6 Stainless Exhaust System (Husqvarna)","description":"\u003ch3\u003eT-6 Stainless Exhaust System (Husqvarna)\u003c\/h3\u003e\n\u003cp\u003eThe Pro Circuit T-6 Stainless Exhaust System is designed to improve performance and is constructed of stainless steel throughout the head pipe, mid pipe, and end-cap for longevity while the muffler canister is made of aluminum. 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Using aircraft-quality stainless steel for the header and mid-pipe, each system is tuned specifically for Honda models to improve throttle response and overall power. The lightweight D-profile muffler is a big part of what makes the D3 special—it trims weight, increases packing volume, and gives you extra tire clearance when the suspension compresses or when you’re tossing the bike around.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThis is a full system right out of the box: header, mid-pipe, muffler, carbon fiber components, and a USDA-approved spark arrestor so you’re legal on public trails. If you need to keep the neighbors happy, the optional Cancel Core insert brings the exhaust note down to near-stock levels and can be swapped in or out depending on where you’re riding.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eWhy We Like It\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIt’s light, well-built, and delivers smooth power without any weird dips in the curve. The carbon fiber heat shield and end cap give it a clean factory look, and the fitment is some of the best you’ll find in the pit bike world. It feels like an upgrade you notice right away.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eWhy It’ll Work for You\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIf you want stronger pull, quicker throttle response, and a lighter system that fits perfectly, this checks every box. 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Using aircraft-quality stainless steel for the header and mid-pipe, each system is tuned specifically for Kawasaki models to improve throttle response and overall power. The lightweight D-profile muffler cuts weight, increases packing volume, and provides extra tire clearance—something you’ll appreciate when the suspension compresses or you’re throwing the bike around.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThis is a complete system built to ride hard: header, mid-pipe, muffler, carbon fiber accents, and a USDA-approved spark arrestor so you’re legal on public trails. For riders who need to quiet things down for backyard or neighborhood use, the optional Cancel Core insert brings the volume close to stock and is easy to remove when you head to the track.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eWhy We Like It\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIt’s clean, light, and fits incredibly well. The carbon fiber touches give it a premium look, and the power delivery is noticeably smoother than stock. It’s one of the few pit bike exhausts that feels like a true performance upgrade, not just a louder pipe.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eWhy It’ll Work for You\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIf you're looking for stronger pull, improved throttle response, and lower weight, this system delivers right away. 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(Suzuki)\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cdiv class=\"title\" style=\"margin: 0px; padding: 0px; font-weight: bold; text-transform: capitalize; font-family: Arial, Geneva, sans-serif; font-size: 12px; background-color: #ffffff;\"\u003eDescription:\u003c\/div\u003e\r\n\u003cdiv class=\"description\" style=\"margin: 0px; padding: 0px; font-family: Arial, Geneva, sans-serif; font-size: 12px; background-color: #ffffff;\"\u003eThe absolute highest quality performance pit bike\/play bike exhaust system on the market The next generation in D-Section exhaust system, the D3. The design incorporates an aircraft quality stainless steel header and mid-pipes that have been tuned specifically for each model to optimize performance and power gains. A lightweight “D” profile muffler is used to dramatically reduce weight on all models. BBR’s unique “D” muffler also allows for maximum tire clearance and packing volume. For all applications, the BBR D3, comes as a complete system including header and muffler. A USDA forest service approved spark arrester is also included. If you need to reduce the db level, BBR offers the optional Cancel Core Insert.\u003c\/div\u003e\r\n\u003cdiv class=\"title\" style=\"margin: 0px; padding: 0px; font-weight: bold; text-transform: capitalize; font-family: Arial, Geneva, sans-serif; font-size: 12px; background-color: #ffffff;\"\u003eFeatures:\u003c\/div\u003e\r\n\u003cul style=\"margin: 0.5rem 0px 0px; padding: 0px; padding-inline-start: 22px; font-family: Arial, Geneva, sans-serif; font-size: 12px; background-color: #ffffff;\"\u003e\r\n\u003cli style=\"margin: 0px; padding: 0px;\"\u003eCarbon Fiber Heat Shield\u003c\/li\u003e\r\n\u003cli style=\"margin: 0px; padding: 0px;\"\u003eCarbon Fiber End Cap\u003c\/li\u003e\r\n\u003cli style=\"margin: 0px; padding: 0px;\"\u003eOptional Cancel Core Insert – Neighbors got you down? Reduces sound to stock like noise levels for the back yard, then can easily be removed for the track!\u003c\/li\u003e\r\n\u003cli style=\"margin: 0px; padding: 0px;\"\u003eIncludes Pipe Plug \u0026amp; Spring Puller\u003c\/li\u003e\r\n\u003cli style=\"margin: 0px; padding: 0px;\"\u003eTested and Race Proven by the best pit bike\/play bike riders on the planet\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003c\/p\u003e","brand":"BBR","offers":[{"title":"2003 \/ DR-Z 110","offer_id":49256003305759,"sku":"80-3120","price":399.95,"currency_code":"USD","in_stock":true},{"title":"2004 \/ DR-Z 110","offer_id":49256003338527,"sku":"80-3120","price":399.95,"currency_code":"USD","in_stock":true},{"title":"2005 \/ DR-Z 110","offer_id":49256003371295,"sku":"80-3120","price":399.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BBR_20-_20D3_20Full_20Exhaust_20System_0004_BBR_76cd9a9c-27d8-46f5-bdc8-b19601ec01de.jpg?v=1726058650"},{"product_id":"bbr-d3-full-exhaust-system-yamaha","title":"BBR - D3 Full Exhaust System (Yamaha)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eBBR – D3 Full Exhaust System (Yamaha)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe style=\"width: 100%; max-width: 560px; height: auto; aspect-ratio: 16\/9;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/v6Qnw5LK3Lo?si=SQcmirw9ddwi_p6i\"\u003e\n\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe BBR D3 Full Exhaust System is built for riders who want real performance out of their Yamaha pit bike or play bike. Using an aircraft-grade stainless steel header and mid-pipe, the system is tuned specifically for each Yamaha model to improve throttle response, boost power, and cut weight. The signature D-profile muffler is lightweight, slim, and shaped to give you maximum tire clearance while still offering plenty of internal volume for consistent packing life.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThis is a complete system—header, mid-pipe, and muffler—with a USDA-approved spark arrestor already installed so you’re trail-legal right out of the box. Carbon fiber touches on the heat shield and end cap keep the look clean and the weight low. Whether you’re hitting backyard tracks, local mini-moto races, or just riding for fun, the D3 delivers smooth, usable power and a noticeable improvement over stock.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eWhy We Like It\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIt’s one of the few pit bike exhausts that feels truly high-end—lightweight, great fitment, clean welds, and real gains you can feel off the bottom and through the mid. The carbon accents and D-shaped can give it a factory look that stands out.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eWhy It’ll Work for You\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIf you want better power, less weight, and a cleaner tone from your Yamaha, this system makes an immediate difference. The tuning gives stronger pull across the rev range, the spark arrestor keeps you legal on public land, and the optional Cancel Core insert lets you quiet things down for backyard riding or neighborhoods. It’s straightforward to install and built to last.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003e\u003cbr\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e• Aircraft-quality stainless steel header and mid-pipe\u003cbr\u003e• Complete system tuned for Yamaha pit\/play bikes\u003cbr\u003e• Lightweight D-profile muffler for more clearance and packing volume\u003cbr\u003e• Carbon fiber heat shield and end cap\u003cbr\u003e• USDA-approved spark arrestor included\u003cbr\u003e• Optional Cancel Core Insert reduces sound to near-stock levels\u003cbr\u003e• Includes pipe plug and spring puller\u003cbr\u003e• Tested and race-proven by top pit-bike riders\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"BBR","offers":[{"title":"2025 \/ TT-R 50E","offer_id":51385271943455,"sku":"80-3140","price":386.6,"currency_code":"USD","in_stock":false},{"title":"2025 \/ TT-R 110E","offer_id":51385271976223,"sku":"80-3141","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2025 \/ TTR 125LE","offer_id":51385272008991,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2024 \/ TT-R 50E","offer_id":51385271648543,"sku":"80-3140","price":386.6,"currency_code":"USD","in_stock":false},{"title":"2024 \/ TT-R 110E","offer_id":51385271681311,"sku":"80-3141","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2024 \/ TTR 125LE","offer_id":51385271714079,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2023 \/ TT-R 50E","offer_id":51385271550239,"sku":"80-3140","price":386.6,"currency_code":"USD","in_stock":false},{"title":"2023 \/ TT-R 110E","offer_id":51385271583007,"sku":"80-3141","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2023 \/ TTR 125LE","offer_id":51385271615775,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2022 \/ TT-R 50E","offer_id":49256005468447,"sku":"80-3140","price":386.6,"currency_code":"USD","in_stock":false},{"title":"2022 \/ TT-R 110E","offer_id":49256007041311,"sku":"80-3141","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2022 \/ TTR 125LE","offer_id":49256006582559,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2021 \/ TT-R 50E","offer_id":49256005501215,"sku":"80-3140","price":386.6,"currency_code":"USD","in_stock":false},{"title":"2021 \/ TT-R 110E","offer_id":49256007008543,"sku":"80-3141","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2021 \/ TTR 125LE","offer_id":49256006549791,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2020 \/ TT-R 50E","offer_id":49256005533983,"sku":"80-3140","price":386.6,"currency_code":"USD","in_stock":false},{"title":"2020 \/ TT-R 110E","offer_id":49256006975775,"sku":"80-3141","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2020 \/ TTR 125LE","offer_id":49256006517023,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2019 \/ TT-R 50E","offer_id":49256005566751,"sku":"80-3140","price":386.6,"currency_code":"USD","in_stock":false},{"title":"2019 \/ TT-R 110E","offer_id":49256006943007,"sku":"80-3141","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2019 \/ TTR 125LE","offer_id":49256006484255,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2018 \/ TT-R 50E","offer_id":49256005599519,"sku":"80-3140","price":386.6,"currency_code":"USD","in_stock":false},{"title":"2018 \/ TT-R 110E","offer_id":49256006910239,"sku":"80-3141","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2018 \/ TTR 125LE","offer_id":49256006451487,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2017 \/ TT-R 50E","offer_id":49256005632287,"sku":"80-3140","price":386.6,"currency_code":"USD","in_stock":false},{"title":"2017 \/ TT-R 110E","offer_id":49256006877471,"sku":"80-3141","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2017 \/ TTR 125LE","offer_id":49256006418719,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2016 \/ TT-R 50E","offer_id":49256005665055,"sku":"80-3140","price":386.6,"currency_code":"USD","in_stock":false},{"title":"2016 \/ TT-R 110E","offer_id":49256006844703,"sku":"80-3141","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2016 \/ TTR 125LE","offer_id":49256006385951,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2015 \/ TT-R 50E","offer_id":49256005697823,"sku":"80-3140","price":386.6,"currency_code":"USD","in_stock":false},{"title":"2015 \/ TT-R 110E","offer_id":49256006811935,"sku":"80-3141","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2015 \/ TTR 125LE","offer_id":49256006353183,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2014 \/ TT-R 50E","offer_id":49256005730591,"sku":"80-3140","price":386.6,"currency_code":"USD","in_stock":false},{"title":"2014 \/ TT-R 110E","offer_id":49256006779167,"sku":"80-3141","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2014 \/ TTR 125LE","offer_id":49256006320415,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2013 \/ TT-R 50E","offer_id":49256005763359,"sku":"80-3140","price":386.6,"currency_code":"USD","in_stock":false},{"title":"2013 \/ TT-R 110E","offer_id":49256006746399,"sku":"80-3141","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2013 \/ TTR 125LE","offer_id":49256006287647,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2012 \/ TT-R 50E","offer_id":49256005796127,"sku":"80-3140","price":386.6,"currency_code":"USD","in_stock":false},{"title":"2012 \/ TT-R 110E","offer_id":49256006713631,"sku":"80-3141","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2012 \/ TTR 125LE","offer_id":49256005992735,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2011 \/ TT-R 50E","offer_id":49256005828895,"sku":"80-3140","price":386.6,"currency_code":"USD","in_stock":false},{"title":"2011 \/ TT-R 110E","offer_id":49256006680863,"sku":"80-3141","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2011 \/ TTR 125LE","offer_id":49256006025503,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2010 \/ TT-R 50E","offer_id":49256005861663,"sku":"80-3140","price":386.6,"currency_code":"USD","in_stock":false},{"title":"2010 \/ TT-R 110E","offer_id":49256006648095,"sku":"80-3141","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2010 \/ TTR 125LE","offer_id":49256006058271,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2009 \/ TT-R 50E","offer_id":49256005894431,"sku":"80-3140","price":386.6,"currency_code":"USD","in_stock":false},{"title":"2009 \/ TT-R 110E","offer_id":49256006615327,"sku":"80-3141","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2009 \/ TTR 125LE","offer_id":49256006091039,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2008 \/ TT-R 50E","offer_id":49256005927199,"sku":"80-3140","price":386.6,"currency_code":"USD","in_stock":false},{"title":"2008 \/ TT-R 110E","offer_id":49256006254879,"sku":"80-3141","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2008 \/ TTR 125LE","offer_id":49256006123807,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2007 \/ TT-R 50E","offer_id":49256005959967,"sku":"80-3140","price":386.6,"currency_code":"USD","in_stock":false},{"title":"2007 \/ TTR 125LE","offer_id":49256006156575,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2006 \/ TT-R 50E","offer_id":49256005402911,"sku":"80-3140","price":386.6,"currency_code":"USD","in_stock":false},{"title":"2006 \/ TTR 125LE","offer_id":49256005435679,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2005 \/ TTR 125LE","offer_id":49256006189343,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2004 \/ TTR 125LE","offer_id":49256006222111,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2003 \/ TTR 125LE","offer_id":49256007205151,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2003 \/ TTR 125","offer_id":49256007172383,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2002 \/ TTR 125","offer_id":49256007139615,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2001 \/ TTR 125","offer_id":49256007106847,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true},{"title":"2000 \/ TTR 125","offer_id":49256007074079,"sku":"80-3142","price":417.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BBR_20-_20D3_20Full_20Exhaust_20System_0004_BBR_2d3b92e1-2cc7-43ed-8ca5-e50ddbb04a94.jpg?v=1726058660"},{"product_id":"pro-circuit-t-6-stainless-slip-on-exhaust-husqvarna","title":"Pro Circuit - T-6 Stainless Slip-On Exhaust (Husqvarna)","description":"\u003ch3\u003e\u003cspan style=\"font-size: large;\"\u003ePro Circuit - T-6 Stainless Slip-On Exhaust (Husqvarna)\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Pro Circuit T-6 Stainless Steel Slip-On exhaust is designed for the rider looking for an easy-to-install, durable performance silencer that is compatible with their stock head pipe. The T-6 Slip-On is constructed of stainless steel throughout the mid-pipe and end-cap, while the canister is constructed of aluminum for increased weight savings. A removable USFS approved spark arrestor will come equipped with the T-6 Slip-On, making it easier for the rider to alternate between off-road and closed course racing.\u003c\/p\u003e\n\u003cp\u003eAlthough the T-6 Slip-On Pipe will not pass FIM sound requirements seen in professional racing here in the states or in Europe, it's a great option for any rider or amateur racer looking to increase performance on a tight budget.\u003c\/p\u003e\n\u003ch4 style=\"margin: 0px 15px 5px 0px; padding: 5px 0px 0px; border: 0px; font-size: 14px; vertical-align: baseline; line-height: 1.4em; color: #333333; font-family: arial, verdana, sans-serif;\"\u003e\u003cspan style=\"margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eImproves performance\u003c\/li\u003e\n\u003cli\u003eStainless steel construction throughout mid-pipe, and end-cap\u003c\/li\u003e\n\u003cli\u003eAluminum canister construction\u003c\/li\u003e\n\u003cli\u003eMachined aluminum muffler bracket for increased strength and durability\u003c\/li\u003e\n\u003cli\u003eAsymmetrical muffler configuration for increased packing volume\u003c\/li\u003e\n\u003cli\u003eRemovable USFS approved spark arrestor\u003c\/li\u003e\n\u003cli\u003eTIG precision welding\u003c\/li\u003e\n\u003cli\u003e100% Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pro Circuit","offers":[{"title":"FC 250 - '23-'25","offer_id":49257372778783,"sku":"18212068","price":740.95,"currency_code":"USD","in_stock":true},{"title":"FC 250 Rockstar Edition - '22","offer_id":50349062291743,"sku":"18212068","price":740.95,"currency_code":"USD","in_stock":true},{"title":"FC 250 Rockstar Edition - '24","offer_id":50349062324511,"sku":"18212068","price":740.95,"currency_code":"USD","in_stock":true},{"title":"FC 350 - '23-'25","offer_id":50349062357279,"sku":"18212068","price":740.95,"currency_code":"USD","in_stock":true},{"title":"FC 450 - '19-'22","offer_id":50349115932959,"sku":"18211878","price":531.85,"currency_code":"USD","in_stock":false},{"title":"FC 450 - '23-'25","offer_id":50349149716767,"sku":"18212069","price":759.95,"currency_code":"USD","in_stock":true},{"title":"FC 450 Rockstar Edition - '18","offer_id":50349115965727,"sku":"18211878","price":531.85,"currency_code":"USD","in_stock":false},{"title":"FC 450 Rockstar Edition - '21","offer_id":50349115998495,"sku":"18211878","price":531.85,"currency_code":"USD","in_stock":false},{"title":"FC 450 Rockstar Edition - '22-'24","offer_id":50349149749535,"sku":"18212069","price":759.95,"currency_code":"USD","in_stock":true},{"title":"FE 350 - '20-'22","offer_id":50349084147999,"sku":"18212032","price":617.45,"currency_code":"USD","in_stock":true},{"title":"FE 350S - '20-'23","offer_id":50349084180767,"sku":"18212032","price":617.45,"currency_code":"USD","in_stock":true},{"title":"FE 450 - '23","offer_id":50349084213535,"sku":"18212032","price":617.45,"currency_code":"USD","in_stock":true},{"title":"FE 501 - '20-'22","offer_id":50349084246303,"sku":"18212032","price":617.45,"currency_code":"USD","in_stock":true},{"title":"FE 501S - '20-'23","offer_id":50349084279071,"sku":"18212032","price":617.45,"currency_code":"USD","in_stock":true},{"title":"FS 450 - '21-22","offer_id":50349121667359,"sku":"18211878","price":531.85,"currency_code":"USD","in_stock":false},{"title":"FX 450 - '17-'18","offer_id":50349104103711,"sku":"18211699","price":617.45,"currency_code":"USD","in_stock":true},{"title":"FX 450 - '23-'24","offer_id":50349149782303,"sku":"18212069","price":759.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BTO__3__0000_542.65_1968f395-d48c-46c3-873c-6d2340fd5c43.jpg?v=1736183955"},{"product_id":"pro-circuit-t-6-stainless-slip-on-exhaust-ktm","title":"Pro Circuit - T-6 Stainless Slip-On Exhaust (KTM)","description":"\u003ch3\u003e\u003cspan style=\"font-size: large;\"\u003e\u003cstrong\u003ePro Circuit - T-6 Stainless Slip-On Exhaust (KTM)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp style=\"border: 0px; outline: none; margin: 0px; padding: 0px; font-family: Arial, sans-serif; font-size: 13px; text-align: justify; background-color: #ffffff;\"\u003e\u003cstrong\u003eExhaust Description: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"border: 0px; outline: none; margin: 0px; padding: 0px; font-family: Arial, sans-serif; font-size: 13px; text-align: justify; background-color: #ffffff;\"\u003e\u003cstrong\u003e\u003c\/strong\u003eThe T-6 Stainless Slip-On Silencer is designed for a rider looking for an inexpensive, easy-to-install, durable performance silencer that can bolt onto their stock head pipe. This slip-on silencer comes with a stainless steel end-cap and an aluminum canister for increased durability.\u003c\/p\u003e\n\u003cp style=\"border: 0px; outline: none; margin: 0px; padding: 0px; font-family: Arial, sans-serif; font-size: 13px; text-align: justify; background-color: #ffffff;\"\u003e \u003c\/p\u003e\n\u003cp style=\"border: 0px; outline: none; margin: 0px; padding: 0px; font-family: Arial, sans-serif; font-size: 13px; text-align: justify; background-color: #ffffff;\"\u003eAlthough the T-6 Stainless Slip-On will not pass FIM sound requirements seen in professional racing here in the states or in Europe, the T-6 Stainless Slip-On is a great option for any rider looking for an increase in performance on a small budget. A removable USFS approved spark arrestor will come equipped with this slip-on to make it easier for a rider to alternate between off-road and closed course racing.\u003c\/p\u003e\n\u003cp style=\"border: 0px; outline: none; margin: 0px; padding: 0px; font-family: Arial, sans-serif; font-size: 13px; text-align: justify; background-color: #ffffff;\"\u003e \u003c\/p\u003e\n\u003ch4 style=\"border: 0px; outline: none; margin: 0px; padding: 0px; font-family: Arial, sans-serif; font-size: 13px; text-align: justify; background-color: #ffffff;\"\u003e\u003cstrong\u003eFeatures Include:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"style1\" style=\"border: 0px; outline: none; margin: 0px 0px 0px 40px; padding: 0px; list-style-position: initial; list-style-image: initial; font-family: Arial, sans-serif; font-size: 13px; text-align: justify; background-color: #ffffff;\"\u003e\n\u003cli style=\"border: 0px; outline: none; margin: 0px; padding: 0px;\"\u003eImproves performance\u003c\/li\u003e\n\u003cli style=\"border: 0px; outline: none; margin: 0px; padding: 0px;\"\u003eStainless steel end-cap\u003c\/li\u003e\n\u003cli style=\"border: 0px; outline: none; margin: 0px; padding: 0px;\"\u003eAluminum canister construction\u003c\/li\u003e\n\u003cli style=\"border: 0px; outline: none; margin: 0px; padding: 0px;\"\u003eMachined aluminum muffler brackets for increased strength and durability\u003c\/li\u003e\n\u003cli style=\"border: 0px; outline: none; margin: 0px; padding: 0px;\"\u003eAsymmetrical muffler configuration for increased packing volume\u003c\/li\u003e\n\u003cli style=\"border: 0px; outline: none; margin: 0px; padding: 0px;\"\u003eRemovable USFS approved spark arrestor\u003c\/li\u003e\n\u003cli style=\"border: 0px; outline: none; margin: 0px; padding: 0px;\"\u003eTIG precision welding\u003c\/li\u003e\n\u003cli style=\"border: 0px; outline: none; margin: 0px; padding: 0px;\"\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pro Circuit","offers":[{"title":"250 SX-F - '19-'22","offer_id":49257378742559,"sku":"18211934","price":617.45,"currency_code":"USD","in_stock":true},{"title":"250 SX-F Rockstar Edition - '21","offer_id":50349435846943,"sku":"18211934","price":617.45,"currency_code":"USD","in_stock":true},{"title":"250 XC-F - '19-'22","offer_id":50349435879711,"sku":"18211934","price":617.45,"currency_code":"USD","in_stock":true},{"title":"250 SX-F - '23-'25","offer_id":50349470613791,"sku":"18212068","price":740.95,"currency_code":"USD","in_stock":true},{"title":"250 SX-F Adamo Edition - '25","offer_id":50349470646559,"sku":"18212068","price":740.95,"currency_code":"USD","in_stock":true},{"title":"250 SX-F Factory Edition - '22-'24","offer_id":50349470679327,"sku":"18212068","price":740.95,"currency_code":"USD","in_stock":true},{"title":"250 XC-F - '23-'25","offer_id":50349470712095,"sku":"18212068","price":740.95,"currency_code":"USD","in_stock":true},{"title":"350 SX-F - '16-'18","offer_id":50349509771551,"sku":"18211729","price":531.86,"currency_code":"USD","in_stock":false},{"title":"350 SX-F - '19-'22","offer_id":50349535756575,"sku":"18211935","price":617.45,"currency_code":"USD","in_stock":true},{"title":"350 SX-F - '23-'25","offer_id":50349470744863,"sku":"18212068","price":740.95,"currency_code":"USD","in_stock":true},{"title":"350 XC-F - '19-'22","offer_id":50349535789343,"sku":"18211935","price":617.45,"currency_code":"USD","in_stock":true},{"title":"350 XC-F - '23-'25","offer_id":50349470777631,"sku":"18212068","price":740.95,"currency_code":"USD","in_stock":true},{"title":"450 SMR - '21-'22","offer_id":50349603750175,"sku":"18211878","price":531.86,"currency_code":"USD","in_stock":false},{"title":"450 SX-F - '16-'18","offer_id":50349562233119,"sku":"18211699","price":617.45,"currency_code":"USD","in_stock":true},{"title":"450 SX-F - '19-'22","offer_id":50349603782943,"sku":"18211878","price":531.86,"currency_code":"USD","in_stock":false},{"title":"450 SX-F - '23-'25","offer_id":50349631897887,"sku":"18212069","price":759.95,"currency_code":"USD","in_stock":true},{"title":"450 SX-F Factory Edition - '15","offer_id":50349562265887,"sku":"18211699","price":617.45,"currency_code":"USD","in_stock":true},{"title":"450 SX-F Factory Edition - '18","offer_id":50349603815711,"sku":"18211878","price":531.86,"currency_code":"USD","in_stock":false},{"title":"450 SX-F Factory Edition - '17","offer_id":50349562298655,"sku":"18211699","price":617.45,"currency_code":"USD","in_stock":true},{"title":"450 SX-F Factory Edition - '21","offer_id":50349603848479,"sku":"18211878","price":531.86,"currency_code":"USD","in_stock":false},{"title":"450 SX-F Factory Edition - '22-'24","offer_id":50349631930655,"sku":"18212069","price":759.95,"currency_code":"USD","in_stock":true},{"title":"450 XC-F - '16-'18","offer_id":50349562331423,"sku":"18211699","price":617.45,"currency_code":"USD","in_stock":true},{"title":"450 XC-F - '23-'25","offer_id":50349631963423,"sku":"18212069","price":759.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BTO__3__0000_18211934.jpg?v=1736182418"},{"product_id":"yoshimura-rs-12-full-system-suzuki","title":"Yoshimura - RS-12 Full System (Suzuki)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eYoshimura – RS-12 Full System (Suzuki)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe style=\"width: 100%; max-width: 560px; height: auto; aspect-ratio: 16\/9;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/LkWSdyrUhRM?si=DUEjBWPA73DVtMM7\"\u003e\n\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAfter over two years of race-proven development, the \u003cstrong\u003eYoshimura RS-12 Full System\u003c\/strong\u003e sets a new benchmark for Suzuki performance. This system is the result of factory-level testing and innovation, designed to deliver smoother throttle response, more power throughout the rpm range, and a perfectly tuned exhaust tone that only Yoshimura can produce.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe asymmetrical RS-12 muffler design maximizes internal volume for better flow and sound control, while its tapered inlet design moves the system closer to the bike’s center of gravity for improved handling. A matte carbon fiber end cap with precision-machined joints and inset detailing completes the look, giving your Suzuki a race-ready finish. The patent-pending Precision Taper Fit (PTF) insert ring allows for easy removal or installation of sound inserts and spark arrestors, making tuning simple and quick.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e It’s a true race-developed system that brings the Yoshimura edge to Suzuki’s lineup. The build quality is flawless, the sound is crisp and refined, and the performance boost is instantly noticeable. It’s everything you’d expect from Yoshimura — handcrafted precision and performance that feels factory fresh.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e This system makes your Suzuki feel smoother, stronger, and lighter. You’ll notice quicker throttle response, better midrange pull, and improved overall balance thanks to the repositioned muffler design. Whether you’re racing or riding for fun, the RS-12 delivers reliable, refined power with that unmistakable Yosh sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e Includes complete stainless header, mid-pipe, and muffler assembly. Compatible with Yoshimura repack kits, sound inserts, and spark arrestors (sold separately).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eDeveloped through 24 months of factory-level testing and racing\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eAsymmetrical RS-12 muffler design for optimized power and sound control\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eMatte carbon fiber end cap with precision-machined detailing\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTapered inlet design improves weight balance and handling\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003ePatent-pending PTF insert ring for easy tuning and maintenance\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eImproved performance and weight reduction compared to stock (8.5 lbs vs. 8.7 lbs)\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eDesigned, developed, and handcrafted in the USA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Yoshimura","offers":[{"title":"RMZ 250 - '19-'25","offer_id":49259138547999,"sku":"961-5410","price":899.0,"currency_code":"USD","in_stock":true},{"title":"RMZ 450 - '18-'25","offer_id":50536426275103,"sku":"961-5411","price":899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/YOSHIMURA-18-20-RMZ450-RS12-SIGNATURE-SIDE-MAIN-1_5a1a65bf-fbb2-42fb-9ff8-b87817e15c65.jpg?v=1726076193"},{"product_id":"fmf-factory-4-1-rct-slip-on-honda","title":"FMF - Factory 4.1 RCT Slip-On (Honda)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eFMF – Factory 4.1 RCT Slip-On (Honda)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/K00YTJdnCCc?si=lmHESxUBN69QWD5I\" title=\"YouTube video player\" style=\"width: 100%; max-width: 560px; height: auto; aspect-ratio: 16\/9;\"\u003e\n\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFMF’s \u003cstrong\u003eFactory 4.1 RCT Slip-On\u003c\/strong\u003e is built for riders who want real power gains, a cleaner tone, and that factory performance feel without needing a full system. Using FMF’s latest Resonance Chamber Technology, this slip-on sharpens throttle response and boosts power in the low to mid range—right where Honda 4-strokes love to work. The patented core design keeps sound controlled while still letting the engine breathe, making it ideal for tracks or riding areas with noise limits.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe enlarged canister absorbs more sound, runs cooler, and trims weight, while the forward-positioned layout keeps mass centralized and protected in tip-overs. Add the simple-to-install spark arrestor for woods or enduro riding, and the 4.1 RCT becomes a true do-everything upgrade that lifts rideability in all conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eWhy We Like It\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThis slip-on wakes up the Honda’s power right off the bottom and through the mid range. You feel it the moment you roll on the throttle out of a corner or drive through technical trail sections. The tone stays crisp without being loud, the bike feels lighter, and the improved pull makes the whole package feel more responsive.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eWhy It’ll Work for You\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIf you want stronger throttle feel, smoother midrange power, and a cleaner sound without swapping your entire exhaust, this gets it done. It bolts onto the stock header, sharpens control in tight terrain, and gives you usable power that helps everywhere from moto laps to weekend trail rides.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eWhat Does It Do?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eA slip-on exhaust replaces the stock muffler to improve flow, reduce weight, and smooth out the power curve. The 4.1 RCT uses FMF’s resonance chambers to reduce pressure spikes, helping the engine rev faster and respond immediately.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe larger canister volume absorbs more noise without restricting flow, while the patented core design maintains performance and keeps tone controlled for sound-restricted areas. Add the spark arrestor for legal trail riding, and you get a lighter, more responsive setup with stronger pull in the low to mid range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eOn the bike, it feels more connected, more responsive, and noticeably stronger where most riders actually ride.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003e\u003cbr\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e• Resonance Chamber Technology improves low–mid power and throttle response\u003cbr\u003e• Patented core keeps sound controlled while maintaining performance\u003cbr\u003e• Larger canister volume increases sound absorption and cooling\u003cbr\u003e• Tuned chamber design refines flow and overall power character\u003cbr\u003e• Forward Engineering layout centralizes mass and protects in tip-overs\u003cbr\u003e• Application-specific core specs maximize gains for each Honda model\u003cbr\u003e• Rear endcap allows easy 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The system is made from \u003c\/span\u003e\u003cspan\u003eaerospace-grade materials\u003c\/span\u003e\u003cspan\u003e, available in \u003c\/span\u003e\u003cspan\u003eNatural Aluminum\u003c\/span\u003e\u003cspan\u003e with a \u003c\/span\u003e\u003cspan\u003eCarbon Fiber end cap\u003c\/span\u003e\u003cspan\u003e, and includes the legendary \u003c\/span\u003e\u003cspan\u003eTitanium MegaBomb header\u003c\/span\u003e\u003cspan\u003e — engineered to maximize exhaust velocity and torque across the rpm range. Each system is 100% \u003c\/span\u003e\u003cspan\u003ehand-built in FMF’s Southern California factory\u003c\/span\u003e\u003cspan\u003e, ensuring flawless fit and true factory performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e It’s the best of FMF in one package — light, fast, and factory clean. The 4.1 RCT transforms your Honda with a deeper tone, sharper throttle response, and noticeably stronger power from bottom to top. It feels like a race bike the second you twist the throttle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e This system gives your bike more power everywhere — more punch down low, smoother midrange, and better over-rev. The titanium MegaBomb header boosts torque while trimming weight, and the compact design improves handling. It’s a long-term investment in performance that instantly makes your bike feel sharper, quicker, and more responsive.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e Available in \u003c\/span\u003e\u003cspan\u003eNatural Aluminum\u003c\/span\u003e\u003cspan\u003e with \u003c\/span\u003e\u003cspan\u003eCarbon Fiber End Cap\u003c\/span\u003e\u003cspan\u003e. Compatible with modern Honda four-stroke motocross and off-road models.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eFMF \u003c\/span\u003e\u003cspan\u003eResonance Chamber Technology™ (RCT)\u003c\/span\u003e\u003cspan\u003e for improved power and reduced sound\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eFactory Forward Engineering\u003c\/span\u003e\u003cspan\u003e for centralized mass and better handling\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eTitanium MegaBomb header\u003c\/span\u003e\u003cspan\u003e maximizes torque and throttle response\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eNatural Aluminum canister\u003c\/span\u003e\u003cspan\u003e with \u003c\/span\u003e\u003cspan\u003eCarbon Fiber end cap\u003c\/span\u003e\u003cspan\u003e for strength and style\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eRapid Tuning System (RTS)\u003c\/span\u003e\u003cspan\u003e for easy maintenance and tuning\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eHuge weight savings compared to stock exhausts\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eHandcrafted in \u003c\/span\u003e\u003cspan\u003eSouthern California, USA\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eMassive power gains throughout the rpm range\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"FMF","offers":[{"title":"CRF 450R - '21-'26 \/ Titanium Anodized Blue","offer_id":50043548270879,"sku":"18201994","price":1237.49,"currency_code":"USD","in_stock":true},{"title":"CRF 450RX - '21-'26 \/ Titanium Anodized Blue","offer_id":50043548336415,"sku":"18201994","price":1237.49,"currency_code":"USD","in_stock":true},{"title":"CRF 250R\/RX - '25-'26 \/ Stainless","offer_id":51098591691039,"sku":"18202100","price":944.99,"currency_code":"USD","in_stock":false},{"title":"CRF 250R - '22-'24 \/ Titanium Anodized Blue","offer_id":49259507187999,"sku":"18201948","price":1349.99,"currency_code":"USD","in_stock":false},{"title":"CRF 250R - '22-'24 \/ Stainless","offer_id":50043532411167,"sku":"18202002","price":944.99,"currency_code":"USD","in_stock":false},{"title":"CRF 250RX - '22-'24 \/ Titanium Anodized Blue","offer_id":50043522973983,"sku":"18201948","price":1349.99,"currency_code":"USD","in_stock":false},{"title":"CRF 250RX - '22-'24 \/ Stainless","offer_id":50043532443935,"sku":"18202002","price":944.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BTO__3__0000_4f91456f-1a1c-4659-aed3-896dc85461a8_d3664165-55fd-41ba-824f.jpg?v=1734535346"},{"product_id":"fmf-factory-4-1-rct-complete-system-kawasaki","title":"FMF - Factory 4.1 RCT Complete System (Kawasaki)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eFMF – Factory 4.1 RCT Complete System (Kawasaki)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe style=\"width: 100%; max-width: 560px; height: auto; aspect-ratio: 16\/9;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/g4yniB4mWv4?si=70N9JsZPiJsi0j1p\"\u003e\n\u003c\/iframe\u003e \u003ciframe style=\"width: 100%; max-width: 560px; height: auto; aspect-ratio: 16\/9;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/OXiwy8b7xp0?si=AAKT3LLZV2smUOl6\"\u003e\n\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe \u003cstrong\u003eFMF Factory 4.1 RCT Complete System\u003c\/strong\u003e brings championship-level performance, power, and precision engineering to your Kawasaki. Designed with FMF’s exclusive Resonance Chamber Technology™ (RCT) both inside and out, this system smooths exhaust pressure, boosts power across the rpm range, and cuts sound levels — all while delivering that crisp, unmistakable FMF tone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFMF’s Factory Forward Engineering moves the muffler closer to the motor, centralizing mass for improved balance and handling. The shorter overall length helps prevent crash damage, while the patented canister shape increases internal volume, allowing more sound-absorbing material without restricting flow. Built entirely from aerospace-grade materials and handcrafted in Southern California, the Factory 4.1 RCT is made to perform, look, and sound like a true factory system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e It’s FMF’s top-shelf system for good reason — lighter, stronger, and noticeably more responsive. The titanium build and carbon end cap look straight off a race bike, and the sound is pure FMF: clean, deep, and aggressive without being obnoxious.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e This system gives your Kawasaki more usable power and a smoother throttle feel from low rpm to wide open. The improved flow helps the engine breathe easier, while the mass-centralized design keeps the bike stable and responsive. Plus, the included 94dB insert lets you fine-tune sound for different tracks or trails.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e Includes complete header, mid-pipe, and muffler assembly. Compatible with optional spark arrestor and tuning inserts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eLatest FMF Resonance Chamber Technology™ (RCT) for balanced flow and power\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003ePatented core shape lowers sound without sacrificing output\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003ePatented canister design increases internal volume and durability\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eFactory Forward Engineering improves mass centralization and handling\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTitanium and carbon fiber construction for strength and weight savings\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eInnovative rear end cap for easy insert and spark arrestor changes\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTuned core specs for each specific model application\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eIncludes 94dB insert for sound compliance\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eHandcrafted in Southern California, USA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"FMF","offers":[{"title":"KX 450F - '24-25 \/ Titanium Anodized Blue","offer_id":50044106506527,"sku":"18202046","price":1237.49,"currency_code":"USD","in_stock":true},{"title":"KX 450F - '24-25 \/ Stainless","offer_id":50044106539295,"sku":"18202045","price":944.99,"currency_code":"USD","in_stock":true},{"title":"KX 450F - '19-'23 \/ Titanium Anodized Blue","offer_id":50044096938271,"sku":"18201844","price":1102.49,"currency_code":"USD","in_stock":false},{"title":"KX 250F - '21-'24 \/ Titanium Anodized Blue","offer_id":50044079210783,"sku":"18201984","price":1102.49,"currency_code":"USD","in_stock":true},{"title":"KX 250F - '21-'24 \/ Stainless","offer_id":50044080095519,"sku":"18201985","price":877.49,"currency_code":"USD","in_stock":true},{"title":"KX 250F - '17-'20 \/ Titanium Anodized Blue","offer_id":50043892367647,"sku":"79-41115","price":1079.99,"currency_code":"USD","in_stock":false},{"title":"KX 250X - '21-'24 \/ Titanium Anodized Blue","offer_id":50044079243551,"sku":"18201984","price":1102.49,"currency_code":"USD","in_stock":true},{"title":"KX 250X - '21-'24 \/ Stainless","offer_id":50044080128287,"sku":"18201985","price":877.49,"currency_code":"USD","in_stock":true},{"title":"KX 450X - '19-'23 \/ Titanium Anodized Blue","offer_id":50044097003807,"sku":"18201844","price":1102.49,"currency_code":"USD","in_stock":false},{"title":"KX 450X - '24-'25 \/ Titanium Anodized Blue","offer_id":50044106572063,"sku":"18202046","price":1237.49,"currency_code":"USD","in_stock":true},{"title":"KX 450X - '24-'25 \/ Stainless","offer_id":50044106604831,"sku":"18202045","price":944.99,"currency_code":"USD","in_stock":true},{"title":"KX 250F - '25 \/ Titanium Anodized Blue","offer_id":51098695434527,"sku":"18202084","price":1237.49,"currency_code":"USD","in_stock":true},{"title":"KX 250F - '25 \/ Stainless","offer_id":51098695467295,"sku":"18202083","price":944.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BTO__3__0000_95d3-5c745bb81ac03.jpg?v=1734542081"},{"product_id":"fmf-factory-4-1-rct-complete-system-yamaha","title":"FMF - Factory 4.1 RCT Complete System (Yamaha)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eFMF – Factory 4.1 RCT Complete System (Yamaha)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/g4yniB4mWv4?si=SdLYCYLfy79kfDe9\" title=\"YouTube video player\" style=\"width: 100%; max-width: 560px; height: auto; aspect-ratio: 16\/9;\"\u003e\n\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003eFMF Factory 4.1 RCT Complete System\u003c\/strong\u003e\u003cspan\u003e is FMF’s top-shelf four-stroke exhaust, engineered for Yamaha riders who want maximum power, minimal weight, and true factory performance. It features FMF’s exclusive \u003c\/span\u003e\u003cspan\u003eResonance Chamber Technology™ (RCT)\u003c\/span\u003e\u003cspan\u003e — both internal and external — which smooths out exhaust flow, boosts torque, and expands usable power across the rpm range. Combined with FMF’s \u003c\/span\u003e\u003cspan\u003eFactory Forward Engineering\u003c\/span\u003e\u003cspan\u003e, the system positions the muffler closer to the motor for better mass centralization and handling.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBuilt entirely from \u003c\/span\u003e\u003cspan\u003eaerospace-grade materials\u003c\/span\u003e\u003cspan\u003e, the Factory 4.1 RCT offers huge power gains while cutting significant weight compared to stock. The shorter overall length not only improves balance and handling but also reduces the risk of damage in crashes. Every system is hand-built in FMF’s Southern California facility to race-level precision, complete with a \u003c\/span\u003e\u003cspan\u003eMegaBomb header\u003c\/span\u003e\u003cspan\u003e for even broader power delivery and a \u003c\/span\u003e\u003cspan\u003espark arrestor insert\u003c\/span\u003e\u003cspan\u003e for versatility.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e It’s FMF’s most refined and aggressive setup — powerful, light, and tuned perfectly for modern Yamaha four-strokes. The sound is deep and clean, the throttle response is instant, and the whole system looks pure factory with that carbon fiber end cap.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e This exhaust gives your Yamaha more power everywhere — stronger low-end grunt, a smoother midrange, and better pull on top. It’s lighter than stock, improves throttle response, and centralizes weight so your bike feels more agile. Plus, the included spark arrestor makes it ready for both race days and trail rides.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e Available in \u003c\/span\u003e\u003cspan\u003eNatural Aluminum with Carbon Fiber End Cap\u003c\/span\u003e\u003cspan\u003e. Includes \u003c\/span\u003e\u003cspan\u003eMegaBomb header\u003c\/span\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cspan\u003espark arrestor screen insert\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eFMF Resonance Chamber Technology™ (internal \u0026amp; external)\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eFactory Forward Engineering for better mass centralization\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eAerospace-grade stainless and aluminum construction\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eShorter, crash-resistant muffler design\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eMassive power gains across the rpm range\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eHuge weight savings over stock\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eNew RTS (Rapid Tuning System) for easy maintenance\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eIncludes MegaBomb header and spark arrestor insert\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eHandcrafted in Southern California, USA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"FMF","offers":[{"title":"YZ 450F - 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The Megabomb smooths throttle response, adds punch where you need it most, and gives your bike that clean, factory look.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e This header improves how your bike builds and delivers power — stronger off the bottom, cleaner through the mid, and more responsive everywhere. It’s lighter, tougher, and less prone to damage than long headers, and it pairs perfectly with FMF slip-ons for a full performance upgrade.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e Available for a range of modern motocross and off-road models. Compatible with FMF Factory 4.1 and Powercore systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eFMF’s latest \u003c\/span\u003e\u003cspan\u003epower booster\u003c\/span\u003e\u003cspan\u003e header technology\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTitanium construction for strength and weight reduction\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eReduces sound output by up to 1.5dB\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eCombines the low-end power of a long header with the top-end of a short one\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eImproves bottom- to mid-range torque and throttle response\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eLess susceptible to damage than traditional long headers\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003ePairs perfectly with FMF mufflers for maximum performance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"FMF","offers":[{"title":"YZ 450F - '26","offer_id":51397172789535,"sku":"79-044482","price":472.49,"currency_code":"USD","in_stock":true},{"title":"YZ 450F - '23-'25","offer_id":50050081816863,"sku":"79-044476","price":472.49,"currency_code":"USD","in_stock":true},{"title":"YZ 450F - '20-'22","offer_id":50050080243999,"sku":"18220505","price":472.49,"currency_code":"USD","in_stock":true},{"title":"WR 250F - '20-'24","offer_id":49259583045919,"sku":"79-0480","price":472.49,"currency_code":"USD","in_stock":true},{"title":"YZ 250F - '19-'25","offer_id":50050078736671,"sku":"79-0480","price":472.49,"currency_code":"USD","in_stock":true},{"title":"YZ 250FX - '20-'25","offer_id":50050078769439,"sku":"79-0480","price":472.49,"currency_code":"USD","in_stock":true},{"title":"YZ 450FX - '21-'23","offer_id":50050080276767,"sku":"18220505","price":472.49,"currency_code":"USD","in_stock":true},{"title":"YZ 450FX - '24-'25","offer_id":50050081849631,"sku":"79-044476","price":472.49,"currency_code":"USD","in_stock":true},{"title":"WR 450F - '24","offer_id":50050081784095,"sku":"79-044476","price":472.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BTO__3__0000_044450.jpg?v=1734726587"},{"product_id":"fmf-megabomb-titanium-header-husqvarna","title":"FMF - Megabomb Titanium Header (Husqvarna)","description":"\u003ch3 class=\"MsoNormal\"\u003eFMF - Megabomb Titanium Header (Husqvarna)\u003c\/h3\u003e\n\u003ch4 class=\"MsoNormal\"\u003eFeatures:\u003c\/h4\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003eFMF's latest power booster!\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003eRuns well with sound-restricting mufflers\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003eEffectively Reduces Sound Output by as much as 1.5dB\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003eLess Susceptible to Damage than a Long Header\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003eProduces the Low End of a Long Header and the Top End of a Short Header\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003eImproved Bottom to Mid-Range Power\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003eExclusive Ti-Metal Construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e","brand":"FMF","offers":[{"title":"FC 250 - '19-'22","offer_id":49259590025503,"sku":"79-0493","price":427.49,"currency_code":"USD","in_stock":true},{"title":"FC 350 - '19-'22","offer_id":50050015166751,"sku":"79-0494","price":427.49,"currency_code":"USD","in_stock":false},{"title":"FC 450 - '19-'22","offer_id":50050016477471,"sku":"79-0495","price":427.49,"currency_code":"USD","in_stock":false},{"title":"FC 450 Rockstar Edition - '18","offer_id":50050016510239,"sku":"79-0495","price":427.49,"currency_code":"USD","in_stock":false},{"title":"FC 450 Rockstar Edition - '20-'21","offer_id":50050016543007,"sku":"79-0495","price":427.49,"currency_code":"USD","in_stock":false},{"title":"FX 350 - '19-'22","offer_id":50050015199519,"sku":"79-0494","price":427.49,"currency_code":"USD","in_stock":false},{"title":"FX 450 - '19-'22","offer_id":50050016575775,"sku":"79-0495","price":427.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BTO__3__0000_79-0493.jpg?v=1734720961"},{"product_id":"fmf-megabomb-titanium-header-kawasaki","title":"FMF - Megabomb Titanium Header (Kawasaki)","description":"\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\"\u003eFMF - Megabomb Titanium Header (Kawasaki)\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003eThe redesigned PowerBomb is a four-stroke header that incorporates FMF's patented PowerBomb module at a precise location in the initial stage of the header. By positioning this \"Bomb\" at a key point in the system, increased performance and flow is achieved through the expansion and contraction of exhaust sonics through the system. Result is a flow increase of nearly 10%! The surface area of the perforated core lets the exhaust gasses exit into the \"Bomb\" chamber and then allows the air to expand, cool and ramp back up at a higher velocity.\u003cbr\u003eAdditionally, the PowerBomb is a \"pre-muffler\" of sorts which helps to lower the bikes sound output by providing more sound absorbing surface area for the sound medium (exhaust gases). On some models, you can choose between a moto or supercross version. The supercross version is designed for more low to mid-range power where the moto version is focused in the mid to upper RPM range.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e","brand":"FMF","offers":[{"title":"KX 250F - '21-'24","offer_id":49259598643487,"sku":"79-42391","price":427.49,"currency_code":"USD","in_stock":true},{"title":"KX 250F - '25","offer_id":50050026799391,"sku":"79-042408","price":427.49,"currency_code":"USD","in_stock":true},{"title":"KX 250X - 21-'24","offer_id":50050021851423,"sku":"79-42391","price":427.49,"currency_code":"USD","in_stock":true},{"title":"KX 250X - '25","offer_id":50050026832159,"sku":"79-042408","price":427.49,"currency_code":"USD","in_stock":true},{"title":"KX 450F - '19-'23","offer_id":50050024472863,"sku":"79-0587X","price":427.49,"currency_code":"USD","in_stock":false},{"title":"KX 450F - '24-'25","offer_id":50050026504479,"sku":"18220550","price":427.49,"currency_code":"USD","in_stock":false},{"title":"KX 450X - '19-'23","offer_id":50050024505631,"sku":"79-0587X","price":427.49,"currency_code":"USD","in_stock":false},{"title":"KX 450X - '24-'25","offer_id":50050026537247,"sku":"18220550","price":427.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/fmf-megabomb-titanium-header_77f938cf-ad15-4443-92c7-b1b7bb584bcf.jpg?v=1726078493"},{"product_id":"fmf-q4-hex-slip-on-muffler-honda","title":"FMF - Q4 Hex Slip-On Muffler (Honda)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eFMF – Q4 Hex Slip-On Muffler (Honda)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe style=\"width: 100%; max-width: 560px; height: auto; aspect-ratio: 16\/9;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/g4yniB4mWv4?si=dBwWfV-_q3F0x7Cl\"\u003e\n\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe FMF Q4 Hex is FMF’s benchmark for quiet-performance exhaust, built for riders who want real gains without blowing past sound limits. Using a system of internal chambers, baffles, and multistage packing material, the Q4 delivers one of the best balance points between power and low noise of any off-road muffler on the market. It’s lighter than stock, built to take abuse, and comes with a spark arrestor already installed — ready for trails, parks, and anywhere sound requirements matter.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eWhy We Like It\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWe like it because it adds usable power in the low to mid range, which makes a real difference when you’re driving out of corners or working through tighter, technical terrain. It also drops some weight compared to stock, and the lower decibel output keeps the bike quiet and smooth without killing performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eWhy It’ll Work for You\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThis slip-on gives you better throttle response right where you use it most — from initial crack to midrange pull. That helps with acceleration out of turns, climbing hills, and staying controlled in rocky or slow-speed sections. It’s quieter than stock, lighter, and bolts on easily with the spark arrestor already in place, so it fits both trail rules and daily riding needs without extra effort.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003e\u003cbr\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e• Adds power throughout the rpm range, especially low to mid\u003cbr\u003e• Meets USFS and FIM World Enduro sound regulations\u003cbr\u003e• Spark arrestor included\u003cbr\u003e• Lightweight design compared to stock\u003cbr\u003e• Rugged construction built for off-road use\u003cbr\u003e• FMF quiet-performance technology\u003cbr\u003e• Made in the USA\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"FMF","offers":[{"title":"CRF 250R - '25-26","offer_id":51396996890911,"sku":"18212185","price":449.99,"currency_code":"USD","in_stock":false},{"title":"CRF 250RX - '25-26","offer_id":51396996923679,"sku":"18212185","price":449.99,"currency_code":"USD","in_stock":false},{"title":"CRF 250R - '22-'24","offer_id":50049680867615,"sku":"18212051","price":449.99,"currency_code":"USD","in_stock":false},{"title":"CRF 250RX - '22-'24","offer_id":50049680900383,"sku":"18212051","price":449.99,"currency_code":"USD","in_stock":false},{"title":"CRF 450R - '21-'25","offer_id":50049683849503,"sku":"18212042","price":449.99,"currency_code":"USD","in_stock":false},{"title":"CRF 450X - '19-'25","offer_id":49260105302303,"sku":"79-4205","price":404.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/fmf-q4-hex-slip-on-exhaust_e167fe6a-580f-4c04-9bea-fd67b2f2abe3.jpg?v=1726080836"},{"product_id":"fmf-q4-hex-slip-on-muffler-kawasaki","title":"FMF - Q4 Hex Slip-On Muffler (Kawasaki)","description":"\u003ch3 class=\"MsoNormal\"\u003eFMF - Q4 Hex Slip-On Muffler (Kawasaki)\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003eFMF is the leader in high performance quiet technology and our Q4 HEX is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you don’t need to hear the power, just feel the power!\u003c\/p\u003e\n\u003ch4 class=\"MsoNormal\"\u003eFeatures:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli class=\"MsoNormal\"\u003eLess sound equals more ground\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eMeets USFS and FIM World Enduro sound regulations\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003ePower gains throughout the entire rpm range\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eSpark arrestor included\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003ePounds lighter than stock\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eRugged design for off-road endurance\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eOnly US manufacturer to offer dedicated quiet exhaust system\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FMF","offers":[{"title":"KLX 300R - 20-'21","offer_id":50049786118431,"sku":"18212028","price":449.99,"currency_code":"USD","in_stock":true},{"title":"KX 250F ' 09-'16","offer_id":49260116869407,"sku":"18211394","price":404.99,"currency_code":"USD","in_stock":true},{"title":"KX 250F - '21-'24","offer_id":50049777991967,"sku":"18212039","price":449.99,"currency_code":"USD","in_stock":false},{"title":"KX 250F - '25","offer_id":50049779990815,"sku":"18212162","price":449.99,"currency_code":"USD","in_stock":false},{"title":"KX 250X - '21-'24","offer_id":50049778024735,"sku":"18212039","price":449.99,"currency_code":"USD","in_stock":false},{"title":"KX 250X - '25","offer_id":50049780023583,"sku":"18212162","price":449.99,"currency_code":"USD","in_stock":false},{"title":"KX 450F - '19-'23","offer_id":50049823539487,"sku":"18211887","price":404.99,"currency_code":"USD","in_stock":false},{"title":"KX 450F - '24-'25","offer_id":50049852145951,"sku":"18212092","price":449.99,"currency_code":"USD","in_stock":true},{"title":"KX 450X - '19-'23","offer_id":50049823572255,"sku":"18211887","price":404.99,"currency_code":"USD","in_stock":false},{"title":"KX 450X - '24-'25","offer_id":50049852178719,"sku":"18212092","price":449.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BTO__3__0000_18211394.jpg?v=1734709989"},{"product_id":"fmf-q4-hex-slip-on-muffler-yamaha","title":"FMF - Q4 Hex Slip-On Muffler (Yamaha)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eFMF - Q4 Hex Slip-On Muffler (Yamaha)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe style=\"width: 100%; max-width: 560px; height: auto; aspect-ratio: 16\/9;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/g4yniB4mWv4?si=70N9JsZPiJsi0j1p\"\u003e\n\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIf you want more power without blowing out your eardrums or breaking sound limits, the \u003cstrong\u003eFMF Q4 Hex Slip-On\u003c\/strong\u003e is the answer. FMF has led the way in quiet exhaust tech for years, and the Q4 is their best version yet — a system that lets you \u003c\/span\u003e\u003cspan\u003efeel\u003c\/span\u003e\u003cspan\u003e the power without having to \u003c\/span\u003e\u003cspan\u003ehear\u003c\/span\u003e\u003cspan\u003e it. Designed with a series of internal chambers, baffles, and FMF’s proprietary multi-stage packing, it keeps the decibels down while still delivering strong, usable gains across the entire rev range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBuilt from tough materials and designed to handle rough off-road conditions, the Q4 gives your Yamaha smoother throttle response, more torque, and a deeper, refined tone that sounds clean without being loud. It’s lightweight, durable, and fully trail-legal — the kind of upgrade you can trust season after season.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e It’s quiet but it rips. The Q4 gives you noticeable power gains and better throttle control, all while keeping your sound levels trail-friendly. It’s perfect for riders who want real performance without annoying the neighbors or catching flak from the rangers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e This muffler improves your Yamaha’s low-end torque and midrange pull — right where you need it most when climbing, cornering, or working through tight sections. The tuned chambers and packing reduce sound while helping the motor breathe freely, so you get more traction and smoother power delivery. And because it meets USFS and FIM sound rules and comes with a spark arrestor, it’s ready for any trail system straight out of the box.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eLess sound equals more ground\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eMeets USFS and FIM World Enduro sound regulations\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003ePower gains throughout the entire rpm range\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eSpark arrestor included\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003ePounds lighter than stock\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eRugged design for off-road endurance\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eOnly US manufacturer to offer dedicated quiet exhaust systems\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eMade in the USA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"FMF","offers":[{"title":"WR 250F - '15-'19","offer_id":49260138791199,"sku":"18211609","price":404.99,"currency_code":"USD","in_stock":false},{"title":"WR 250F - '23-'24","offer_id":50049940029727,"sku":"18211882","price":449.99,"currency_code":"USD","in_stock":true},{"title":"WR 450F - '12-'15","offer_id":50049944715551,"sku":"18211544","price":404.99,"currency_code":"USD","in_stock":false},{"title":"WR 450F - '19-'24","offer_id":50049956053279,"sku":"18211837","price":449.99,"currency_code":"USD","in_stock":true},{"title":"YZ 250F - '14-'18","offer_id":50049935540511,"sku":"18211609","price":404.99,"currency_code":"USD","in_stock":false},{"title":"YZ 250F - '19-'25","offer_id":50049940062495,"sku":"18211882","price":449.99,"currency_code":"USD","in_stock":true},{"title":"YZ 250FX - '15-'19","offer_id":50049935573279,"sku":"18211609","price":404.99,"currency_code":"USD","in_stock":false},{"title":"YZ 250FX - '20-'25","offer_id":50049940095263,"sku":"18211882","price":449.99,"currency_code":"USD","in_stock":true},{"title":"YZ 450F - '18-'25","offer_id":50049956086047,"sku":"18211837","price":449.99,"currency_code":"USD","in_stock":true},{"title":"YZ 450FX - '19-'25","offer_id":50049956118815,"sku":"18211837","price":449.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/FMF_Q4HexSlip-on_492224bb-cef0-4518-b861-1b3153d23158.jpg?v=1726080937"},{"product_id":"fmf-powercore-4-hex-slip-on-muffler-honda","title":"FMF - Powercore 4 Hex Slip-On Muffler (Honda)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eFMF - Powercore 4 Slip-On Muffler (Honda)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe style=\"width: 100%; max-width: 560px; height: auto; aspect-ratio: 16\/9;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/g4yniB4mWv4?si=70N9JsZPiJsi0j1p\"\u003e\n\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eLooking to wake your Honda up without dropping race-system money? The \u003cstrong\u003eFMF Powercore 4 Slip-On\u003c\/strong\u003e is that sweet spot between affordability and real performance. Designed using FMF’s top-tier race exhaust tech, it smooths out your bike’s power delivery and adds muscle through the low and midrange — right where you actually ride. You’ll feel stronger throttle response and better torque when you crack it open, plus that deep FMF tone that makes every twist more fun.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBuilt from stainless steel and aluminum, the Powercore 4 can take a beating while keeping things light. The finish looks clean, the fit is tight, and installation’s a breeze — a bolt-on upgrade that instantly makes your bike feel sharper and sound meaner.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e It’s the definition of “simple and effective.” You bolt it on, and your Honda immediately feels livelier — stronger drive out of corners, smoother roll-ons, and a throaty sound that hits the right balance of power and control. It’s that perfect FMF blend of reliability, tone, and performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e This system adds usable power where it counts — in that low-to-mid range zone you’re always working in. The Hi-Flo core and enhanced sonic evacuation help your engine breathe easier, giving you cleaner throttle response and more grunt through tough terrain or tight trails. And because it’s built from stainless and aluminum, it lasts season after season without weighing you down. Whether you’re trail riding, practicing, or just chasing that extra snap, this muffler delivers the boost you’ll actually feel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eOverall increase in power and torque\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eDurable stainless steel and aluminum construction\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eSpace Age internal packing material for maximum longevity\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eInternal shape of core uses Hi-Flo technology\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eEnhanced sonic evacuation provides for higher flow and increased power\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eIncludes removable spark arrestor\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"FMF","offers":[{"title":"CRF 250R\/RX - '25-'26","offer_id":51098646774047,"sku":"79-041616","price":359.99,"currency_code":"USD","in_stock":false},{"title":"CRF 450X - '19-'25","offer_id":50047490425119,"sku":"18113799","price":404.99,"currency_code":"USD","in_stock":true},{"title":"CRF 450X - '05-'09","offer_id":49260159500575,"sku":"18211555","price":404.99,"currency_code":"USD","in_stock":true},{"title":"CRF 450X - '12-'17","offer_id":50047488885023,"sku":"18211555","price":404.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/Untitled_design_1_9c6d2893-cc61-4caf-8d18-921985f55ef3.png?v=1754499807"}],"url":"https:\/\/www.btosports.com\/collections\/dirt-bike-4-stroke-exhaust.oembed","provider":"BTO Sports","version":"1.0","type":"link"}