{"title":"Yamaha FMF Exhausts","description":"","products":[{"product_id":"fmf-gnarly-pipe-yamaha","title":"FMF - Gnarly Pipe (Yamaha)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eFMF – Gnarly Pipe\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=nLwYoc5lnZgxfdxe\"\u003e\n\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003eFMF Gnarly Pipe\u003c\/strong\u003e\u003cspan\u003e is built for riders who like to push deep into the woods, hammer rocky climbs, and muscle through terrain that eats lighter pipes alive. Designed for 200cc to 500cc two-strokes, this pipe turns your bike into a torque monster — more pull at low rpm, smoother mid-range power, and that tractor-like grunt that gets you out of sketchy situations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMade from super-strong 18-gauge steel, the Gnarly is tough enough to take real off-road abuse — rocks, logs, and crashes are just part of the ride. It’s electro-nickel plated for a durable, chip-resistant finish that won’t fade or rust, no matter how many muddy washes you slog through. O-rings are included, so installation is straightforward and airtight.\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 This is the pipe that saves your day when the trail gets ugly. It gives your two-stroke the kind of low-end torque you usually only find on big 4-strokes, making it easier to crawl over roots, rocks, and technical climbs without constantly clutching. It’s basically bulletproof and sounds awesome doing it.\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 The Gnarly Pipe helps your bike put power where you actually need it — down low. That means it pulls stronger at slow speeds, giving you more control in tight sections and better traction when things get slick. And because it’s built from heavy-duty steel with a nickel-plated finish, you can drop it, scrape it, and ride it hard without worrying about damage.\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 late-model 200cc–500cc two-stroke bikes. Direct bolt-on fit for off-road and enduro setups.\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\u003eFocuses on low-end torque and bottom-to-mid 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\u003eHeavy-duty 18-gauge steel construction for extreme 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\u003eElectro-nickel plated finish resists chips and discoloration\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\u003eBuilt to handle off-road punishment and rough terrain\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 O-rings for easy, tight installation\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\u003eIdeal for 200cc–500cc two-stroke machines\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 250 - '98","offer_id":50146972303647,"sku":"fmfyg49","price":278.99,"currency_code":"USD","in_stock":false},{"title":"YZ 250 - '97-'98","offer_id":50146972336415,"sku":"fmfyg49","price":278.99,"currency_code":"USD","in_stock":false},{"title":"YZ 250 - '99-'25","offer_id":50147025584415,"sku":"78-1358","price":296.99,"currency_code":"USD","in_stock":true},{"title":"YZ 250X - '16-'25","offer_id":50147025617183,"sku":"78-1358","price":296.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BTO__3__0000_024076.jpg?v=1746123051"},{"product_id":"fmf-factory-fatty-pipe-yamaha","title":"FMF - Factory Fatty Pipe (Yamaha)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eFMF - Factory Fatty Pipe (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=nLwYoc5lnZgxfdxe\"\u003e\n\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFMF built the \u003c\/span\u003e\u003cspan\u003eFactory Fatty Pipe\u003c\/span\u003e\u003cspan\u003e for riders who want that old-school factory feel — raw power, clean response, and a sound that hits deep. Inspired by the original “works” cone pipes from pro race teams, this one brings that same hand-built race-shop quality straight to your Yamaha two-stroke. It looks, feels, and runs like something straight off a factory bike.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMade from lightweight 20-gauge steel with a 19-gauge header section, every Factory Fatty is hand-pounded and perfectly shaped to smooth exhaust flow and boost performance across the board. You’ll feel stronger pull right off the bottom, cleaner midrange, and more over-rev when you stay in it. No matter if you’re moto racing, trail riding, or just chasing buddies around the track — this pipe delivers that crisp, aggressive FMF powerband everyone’s after.\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 that perfect blend of sound and snap. The Factory Fatty gives your Yamaha that classic two-stroke bark, but with more usable power everywhere. It makes the bike feel alive — like the motor’s breathing better and begging to be ridden harder.\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 If you’re new to upgrading pipes, this one’s an easy win. You’ll feel a smoother hit when you roll on the throttle, better pull through the mid, and a cleaner rev up top. Plus, it’s built tough enough to handle crashes and deep ruts without folding. It’s one of those upgrades that instantly makes your bike more fun to ride.\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 wide range of Yamaha two-stroke models. Direct bolt-on fitment with FMF quality and finish.\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\u003eInspired by FMF “works” cone pipes used by factory teams\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\u003eBroadens and smooths the power curve across the rev 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\u003eMore low-end torque, stronger mid, and better over-rev\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\u003e20-gauge steel body, 19-gauge steel header\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\u003eHand-pounded seams for smoother exhaust flow\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, race-proven FMF construction\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 65 - 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That distinctive bulge you see — the “Power Bomb” — isn’t just for looks. It’s a tuned expansion chamber that acts like a built-in pre-muffler, increasing exhaust velocity and reducing noise all at once. By expanding and cooling the exhaust gases, then compressing them back through the perforated core, the system smooths out flow, improves throttle response, and adds up to 10% more power across the range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBuilt from premium materials and precision-welded, the Powerbomb is tuned for strong bottom-to-mid performance — the range you actually use when accelerating, climbing, or powering through corners. It’s quieter, stronger, and designed with easy oil filter access, so it installs clean and stays practical for everyday riding or racing.\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 You can \u003c\/span\u003e\u003cspan\u003efeel\u003c\/span\u003e\u003cspan\u003e the difference. The bike pulls harder off the bottom, revs smoother through the midrange, and sounds tight without being obnoxious. FMF figured out how to make real gains without extra noise or hassle, and it shows the first time you roll on 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 header gives you more usable torque and throttle control right where you ride most — in the low and midrange. The Powerbomb’s expansion chamber increases flow and scavenging, meaning quicker response when you crack the throttle and smoother power when you’re working the clutch through tight terrain. It also quiets your exhaust tone naturally, making it perfect for riders who want performance without breaking sound limits.\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\u003eTuned for bottom to mid-range 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\u003eUp to 10% horsepower increase\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\u003eActs as a built-in pre-muffler to reduce decibel 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 FMF Powerbomb chamber improves 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\u003eDesigned for full oil filter access\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\u003ePrecision-welded, high-quality 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\u003eCompatible with FMF or stock mufflers\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 - '01-'13","offer_id":49259482218783,"sku":"MF040073","price":224.99,"currency_code":"USD","in_stock":false},{"title":"WR 450F - '03'06","offer_id":50089837920543,"sku":"FMF044033","price":224.99,"currency_code":"USD","in_stock":true},{"title":"WR 450F - '07-'15","offer_id":50089760817439,"sku":"18220125","price":224.99,"currency_code":"USD","in_stock":true},{"title":"YZ 250F - '01-'06","offer_id":50089632989471,"sku":"MF040073","price":224.99,"currency_code":"USD","in_stock":false},{"title":"YZ 250F - 07-'09","offer_id":50089707438367,"sku":"18220139","price":224.99,"currency_code":"USD","in_stock":true},{"title":"YZ 450F - '07-'09","offer_id":50089760850207,"sku":"18220125","price":224.99,"currency_code":"USD","in_stock":true},{"title":"YZ 450F - '03-'06","offer_id":50089837953311,"sku":"FMF044033","price":224.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BTO__0000_79-0251_6f5b4ba5-19db-4676-bfdb-8a6666fcc77b.jpg?v=1726077915"},{"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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'26 \/ Stainless","offer_id":51098728988959,"sku":null,"price":967.49,"currency_code":"USD","in_stock":false},{"title":"YZ 450F - '26 \/ Titanium Anodized Blue","offer_id":51098729021727,"sku":null,"price":967.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BTO__3__0000_18201840.jpg?v=1734550006"},{"product_id":"fmf-megabomb-titanium-header-yamaha","title":"FMF - Megabomb Titanium Header (Yamaha)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eFMF – Megabomb Titanium Header\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 \u003cstrong\u003eFMF Megabomb Titanium Header\u003c\/strong\u003e is one of FMF’s most effective bolt-on power upgrades — designed to give your bike stronger low-end torque, smoother midrange pull, and a noticeable boost in throttle response. Engineered with FMF’s race-proven \u003c\/span\u003e\u003cspan\u003eMegabomb\u003c\/span\u003e\u003cspan\u003e technology, this header expands and cools exhaust gases to improve flow and increase performance without raising sound levels.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eConstructed entirely from lightweight titanium, the Megabomb is both strong and corrosion-resistant while saving significant weight over stock. Its unique bulged design acts like a pre-chamber, improving scavenging and delivering the low-end grunt of a long header with the high-rpm power of a short one. It also helps reduce sound output by up to 1.5dB, making it an excellent match for sound-restricted tracks or off-road areas.\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 easiest way to unlock more usable power without adding noise. 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":false},{"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-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":404.99,"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":404.99,"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":404.99,"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":404.99,"currency_code":"USD","in_stock":true},{"title":"YZ 450F - '18-'25","offer_id":50049956086047,"sku":"18211837","price":404.99,"currency_code":"USD","in_stock":true},{"title":"YZ 450FX - '19-'25","offer_id":50049956118815,"sku":"18211837","price":404.99,"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-2-1-silencer-yamaha","title":"FMF - Powercore 2.1 Silencer (Yamaha)","description":"\u003ch3\u003eFMF - Powercore 2.1 Silencer (Yamaha)\u003c\/h3\u003e\n\u003cp\u003eAll new from the ground up, the FMF Powercore 2.1 silencer is built to provide excellent power for today's tracks. A smooth power curve throughout the RPM range keeps your 2-stroke motocross bike in the meat of the power! A large diameter canister is designed for more tenability and longer lasting packing life, so you can go longer in-between silencer service. Designed to complement the performance of FMF Racing's 2-stroke pipes, the Powercore 2.1 Silencer is race ready out of the box! 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Built around FMF’s exclusive \u003c\/span\u003e\u003cspan\u003eTurbine Dampening System\u003c\/span\u003e\u003cspan\u003e, it delivers full, unrestricted two-stroke performance while staying 100% U.S. Forest Service–legal. Whether you’re hitting the track, racing enduros, or exploring deep backcountry trails, the TurbineCore 2.1 keeps your Yamaha running strong, sounding clean, and riding legal.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe straight-through design allows your engine to breathe freely, giving you a smooth, consistent power curve across the entire rpm range. The larger-diameter aluminum canister extends packing life and helps fine-tune performance, while the stainless steel end cap adds strength and durability. Best of all, there’s no clog-prone insert or performance loss — just pure FMF flow backed by decades of race development.\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 rare spark arrestor that doesn’t choke performance. You get that clean FMF sound, crisp throttle response, and smooth power delivery — all while staying compliant for trails and public land riding. It’s tough, race-tested, and totally maintenance-friendly.\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 silencer keeps your bike legal without sacrificing power. The open-flow design means no buildup or clogging, so your engine stays responsive and strong ride after ride. It’s built to handle both aggressive racing and long trail days, and the larger canister helps the packing last longer before you ever need to touch it.\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 a wide range of Yamaha two-stroke models. Compatible with FMF or stock header pipes.\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\u003eRace-tested for smooth, consistent power 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\u003eExclusive \u003c\/span\u003e\u003cspan\u003eTurbine Dampening System\u003c\/span\u003e\u003cspan\u003e for spark arrestor function\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\u003eStraight-through design for unrestricted 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\u003eLarge-diameter aluminum canister for longer packing 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\u003eStainless steel end cap 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\u003eFully U.S. Forest Service–approved and trail legal\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\u003cspan\u003eMade in the U.S.A. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"FMF","offers":[{"title":"YZ 125 - '02-'21","offer_id":49262021411103,"sku":"18211705","price":242.99,"currency_code":"USD","in_stock":false},{"title":"YZ 125X - '20-'22","offer_id":50295452401951,"sku":"18211705","price":242.99,"currency_code":"USD","in_stock":false},{"title":"YZ 250 - '02-'25","offer_id":50295470555423,"sku":"79-22870","price":242.99,"currency_code":"USD","in_stock":true},{"title":"YZ 250X - '16-'25","offer_id":50295487529247,"sku":"79-22871","price":242.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BTO__3__0000_18211705.jpg?v=1735918058"},{"product_id":"fmf-powercore-4-hex-slip-on-muffler-yamaha","title":"FMF - Powercore 4 Hex Slip-On Muffler (Yamaha)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eFMF - Powercore 4 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\u003eWake your Yamaha up with one of the easiest and most affordable upgrades you can bolt on — the \u003cstrong\u003eFMF Powercore 4 Hex Slip-On\u003c\/strong\u003e. Designed using the same race-bred technology found in FMF’s pro-level systems, this slip-on delivers real performance gains you’ll feel right away. It boosts horsepower and torque across the range, sharpens throttle response, and gives your bike that deep, throaty FMF sound that always turns heads.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBuilt from stainless steel and aluminum, the Powercore 4 Hex is tough enough to handle years of riding while keeping weight down. FMF’s Hi-Flo core and enhanced sonic evacuation design keep air moving fast and smooth, improving flow for stronger acceleration and cleaner power delivery. Whether you’re on the track or in the woods, this pipe makes your Yamaha feel like a whole new machine.\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 You get instant results — better throttle snap, more pull through the midrange, and that signature FMF tone without spending big money. It’s a solid, bolt-on performance gain that gives your Yamaha a fresh, factory-style look and sound.\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 power where it matters most — off the bottom and into the midrange — giving you more drive out of corners, better control in technical sections, and smoother roll-on power everywhere else. It’s lightweight, durable, and includes a removable spark arrestor, so you can hit the track or trail without a second thought.\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 Hi-Flo core design for improved airflow\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 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":"YZ 450F - '18-'26","offer_id":50048155386143,"sku":"79-3085","price":359.99,"currency_code":"USD","in_stock":true},{"title":"YZ 250F - '19-'26","offer_id":50048152207647,"sku":"18211881","price":359.99,"currency_code":"USD","in_stock":true},{"title":"YZ 250FX - '15-'19","offer_id":50048149324063,"sku":"18211606","price":359.99,"currency_code":"USD","in_stock":true},{"title":"YZ 250F - '14-'18","offer_id":50048149291295,"sku":"18211606","price":359.99,"currency_code":"USD","in_stock":true},{"title":"WR 250F - '15-'19","offer_id":49263976775967,"sku":"18211606","price":359.99,"currency_code":"USD","in_stock":true},{"title":"WR 250F - '20-'21","offer_id":50048150765855,"sku":"79-044471","price":359.99,"currency_code":"USD","in_stock":true},{"title":"WR 250F - '23-24","offer_id":50048152174879,"sku":"18211881","price":359.99,"currency_code":"USD","in_stock":true},{"title":"WR 450F - '16-'18","offer_id":50048154108191,"sku":"18211534","price":359.99,"currency_code":"USD","in_stock":true},{"title":"WR 450F - '19-'24","offer_id":50048155353375,"sku":"79-3085","price":359.99,"currency_code":"USD","in_stock":true},{"title":"YZ 250FX - '20-'26","offer_id":50048152240415,"sku":"18211881","price":359.99,"currency_code":"USD","in_stock":true},{"title":"YZ 450FX - '16-'18","offer_id":50048154173727,"sku":"18211534","price":359.99,"currency_code":"USD","in_stock":true},{"title":"YZ 450FX - '19-'26","offer_id":50048155418911,"sku":"79-3085","price":359.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BTO_-Recovered.psd_0000_79-3091_64af03e0-a0f7-46b3-af39-8c4df843e2c6.jpg?v=1726098707"},{"product_id":"fmf-pipe-spring-and-o-ring-kit-yamaha","title":"FMF - Pipe Spring and O-Ring Kit (Yamaha)","description":"\u003ch1\u003eFMF - Pipe Spring and O-Ring Kits (Yamaha)\u003c\/h1\u003e  FMF Pipe Spring and O-Ring Kits for Yamaha Dirt Bikes.","brand":"FMF","offers":[{"title":"YZ250 '89-94","offer_id":49264987308319,"sku":"78-1095","price":11.69,"currency_code":"USD","in_stock":true},{"title":"YZ125 '99-19","offer_id":49264987341087,"sku":"78-1094","price":11.69,"currency_code":"USD","in_stock":true},{"title":"YFZ350 Banshee '87-06","offer_id":49264987373855,"sku":"78-1099","price":11.69,"currency_code":"USD","in_stock":true},{"title":"YZ125 '89-98","offer_id":49264987406623,"sku":"78-1093","price":11.69,"currency_code":"USD","in_stock":true},{"title":"YZ250 '99-19","offer_id":49264987439391,"sku":"78-1096","price":11.69,"currency_code":"USD","in_stock":true},{"title":"YZ250 '95-98","offer_id":49264987504927,"sku":"78-1097","price":11.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/fmf-pipe-spring-o-ring-kit_c53b1350-44a1-4eff-ab78-6b292ff1f589.jpg?v=1726103101"},{"product_id":"fmf-gold-series-fatty-pipe-yamaha-model-78-1306-fmfy06","title":"FMF - Gold Series Fatty Pipe (Yamaha) YZ250 '84-86","description":"\u003ch2\u003e\u003cstrong\u003eFMF - Gold Series Fatty Pipe (Yamaha) YZ250 '84-86\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"description\"\u003eFor an all-around power increase throughout the power range!\u003c\/div\u003e\n\u003cdiv class=\"title\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"title\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eALL PIPES ARE ELECTRO-NICKEL PLATED FOR A NON-CHIP FINISH THAT WILL NOT DISCOLOR EXCEPT THE FACTORY PIPE WHICH HAS HAND POUNDED WELDS AND NO COATING\u0026amp;MDASH; JUST LIKE THE WORKS BIKES\u003c\/li\u003e\n\u003cli\u003eAVAILABLE IN FATTY FOR AN ALL-AROUND POWER INCREASE THROUGHOUT THE POWER RANGE, GNARLY FOR MAX LOW END BOOST, AND REV FOR BLINDING TOP END POWER\u003c\/li\u003e\n\u003cli\u003e(G) GNARLY PIPES ARE A HEAVY-DUTY TORQUE PIPE FOR LATE MODEL 200CC AND UP AND USES A HEAVY DUTY 18 GAUGE STEEL BODY TO HOLD UP TO THE RIGORS OF OFF-ROAD RIDING\u003c\/li\u003e\n\u003cli\u003e(FR) FACTORY REV PIPES FOCUSES ITS POWER DELIVERY IN THE MIDDLE AND UPPER RPM'S OF THE POWERBAND. IF YOU ARE RUNNING OUT OF POWER UP TOP, WANT MORE TIME BETWEEN SHIFTS OR DO A LOT OF DEEP BERM\/SAND RIDING. THE FMF REV IS YOUR PIPE OF CHOICE\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":49265229496607,"sku":"78-1306","price":296.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/2b9a-572a8971aa757_9c220b23-2e47-493d-af1a-3d952c16986f.jpg?v=1754513803"},{"product_id":"fmf-gold-series-fatty-pipe-yamaha-model-78-1378-270181","title":"FMF - Gold Series Fatty Pipe (Yamaha) YZ250 '97-98","description":"\u003ch2\u003e\u003cstrong\u003eFMF - Gold Series Fatty Pipe (Yamaha) YZ250 '97-98\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"description\"\u003eFor an all-around power increase throughout the power range!\u003c\/div\u003e\n\u003cdiv class=\"title\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"title\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eALL PIPES ARE ELECTRO-NICKEL PLATED FOR A NON-CHIP FINISH THAT WILL NOT DISCOLOR EXCEPT THE FACTORY PIPE WHICH HAS HAND POUNDED WELDS AND NO COATING\u0026amp;MDASH; JUST LIKE THE WORKS BIKES\u003c\/li\u003e\n\u003cli\u003eAVAILABLE IN FATTY FOR AN ALL-AROUND POWER INCREASE THROUGHOUT THE POWER RANGE, GNARLY FOR MAX LOW END BOOST, AND REV FOR BLINDING TOP END POWER\u003c\/li\u003e\n\u003cli\u003e(G) GNARLY PIPES ARE A HEAVY-DUTY TORQUE PIPE FOR LATE MODEL 200CC AND UP AND USES A HEAVY DUTY 18 GAUGE STEEL BODY TO HOLD UP TO THE RIGORS OF OFF-ROAD RIDING\u003c\/li\u003e\n\u003cli\u003e(FR) FACTORY REV PIPES FOCUSES ITS POWER DELIVERY IN THE MIDDLE AND UPPER RPM'S OF THE POWERBAND. IF YOU ARE RUNNING OUT OF POWER UP TOP, WANT MORE TIME BETWEEN SHIFTS OR DO A LOT OF DEEP BERM\/SAND RIDING. THE FMF REV IS YOUR PIPE OF CHOICE\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":49265232642335,"sku":"78-1378","price":296.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/2b9a-572a8971aa757.jpg?v=1754513644"},{"product_id":"fmf-factory-4-1-rct-complete-system-yamaha-79-40670-18201840-044456","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 style=\"width: 100%; max-width: 560px; height: auto; aspect-ratio: 16\/9;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/g4yniB4mWv4?si=SdLYCYLfy79kfDe9\"\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 dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\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 dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\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 dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\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 dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\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 dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\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 dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\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 dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\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 dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\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 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":"2019-2025 YZ250F","offer_id":50895544320287,"sku":"18201840","price":967.49,"currency_code":"USD","in_stock":true},{"title":"2020-2025 YZ250FX","offer_id":50895544353055,"sku":"18201840","price":967.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/FMF_20-_20Factory_204.1_20RCT_20Complete_20System_20_28Yamaha_29_0005_18201840_a4ca9bc5-d032-456d-a018-129cbb4527d8.jpg?v=1726105174"},{"product_id":"fmf-powercore-2-shorty-silencer-yamaha","title":"FMF - Powercore 2 Shorty Silencer (Yamaha)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eFMF – Powercore 2 Shorty Silencer (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=nLwYoc5lnZgxfdxe\"\u003e\n\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003eFMF Powercore 2 Shorty Silencer\u003c\/strong\u003e\u003cspan\u003e takes everything that made the original Powercore 2 a proven winner and tightens it up for quick-hitting, low-to-midrange power. Designed for Yamaha two-strokes and built with a shorter core and aluminum canister, the Shorty delivers that sharp, instant throttle hit you need for supercross-style tracks, tight corners, and aggressive riding.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThis finely tuned silencer is a direct bolt-on upgrade that instantly changes how your bike feels — quicker response, stronger punch out of turns, and that signature FMF sound. It’s lightweight, durable, and race-proven to give you the edge when you’re fighting for drive out of corners or launching off jumps. The Shorty is also a key part of FMF’s SST Power Package and is required for certain setups when running the FMF Gold Series SST pipe.\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 go-to setup when you want your Yamaha to hit harder down low and stay snappy through the mid. The bike feels more responsive, the sound is crisp, and it’s the perfect match for tight tracks or technical riding.\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 silencer makes your bike accelerate quicker and feel more lively right where you spend most of your time riding — in the low and mid rpm range. The shorter core design helps the motor hit stronger out of corners, while the lightweight aluminum canister keeps things durable without adding bulk. It bolts right up and instantly gives your bike that race-tuned 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 Available for a wide range of Yamaha two-stroke models. 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Built for Yamaha riders who want stronger performance without extra noise, it combines lightweight construction, clean looks, and a broad power feel that works everywhere — from tight trails to open track sections. This is FMF’s most popular two-stroke silencer, trusted by riders worldwide for its proven mix of power, durability, and style.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Powercore 2 features a lightweight oval canister extruded from aircraft-grade 6060 T6 aluminum, paired with a stainless steel stinger and Performance Flow end cap for unbeatable strength and longevity. The perforated core design helps your engine breathe better, delivering crisp throttle response and smooth, predictable power throughout the rpm range. 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It’s a simple, proven way to wake up your bike without the hassle of a full exhaust system.\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 a wide range of Yamaha two-stroke models. Works with both FMF and OEM pipes.\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\u003e6060 T6 aircraft-grade aluminum canister for low 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\u003eStainless steel Performance Flow end cap and front stinger\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\u003ePerforated core for smooth, consistent 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Using FMF’s latest Resonance Chamber Technology™ inside and out, this slip-on smooths out power delivery while keeping sound levels in check. The titanium canister is light, strong, and built with a unique shape that increases internal volume to absorb more sound without choking performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWhether you’re lining up at the gate or ripping through singletrack, the 4.1 RCT delivers crisp throttle response, smoother midrange torque, and stronger over-rev. The shorter length keeps it tucked in and less prone to damage, while FMF’s Factory Forward Engineering design moves the muffler closer to the engine for better balance and handling. Add in a removable spark arrestor, and this system is just as happy in the woods as it is on the moto track.\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 You bolt it on and instantly feel the difference — better throttle pickup, quicker revs, and a cleaner exhaust note that’s loud enough to sound fast but still controlled. It looks like something off a pro’s bike and delivers the same kind of smooth, usable power.\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 is built to make your Yamaha feel lighter and more responsive everywhere on the track. The titanium construction shaves weight while the Resonance Chamber evens out back pressure for stronger low-to-mid torque and a smoother top-end pull. It’s quieter than you’d expect, built tough enough for hard racing, and easy to maintain thanks to FMF’s clever endcap and spark arrestor design. 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The \u003c\/span\u003e\u003cspan\u003ecarbon fiber end cap\u003c\/span\u003e\u003cspan\u003e adds a clean factory finish, while the \u003c\/span\u003e\u003cspan\u003eRapid Tuning System (RTS)\u003c\/span\u003e\u003cspan\u003e makes insert swaps and maintenance fast and easy. Each system comes ready to ride with both a \u003c\/span\u003e\u003cspan\u003espark arrestor screen insert\u003c\/span\u003e\u003cspan\u003e and a \u003c\/span\u003e\u003cspan\u003e94dB quiet insert\u003c\/span\u003e\u003cspan\u003e included.\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 blend of power and control — a race-proven design that wakes up your Yamaha without being too loud. The aluminum and stainless combo keeps it light yet tough, while the carbon end cap gives it that premium FMF 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 Yamaha more torque and smoother throttle response right away. It’s lighter, more responsive, and easy to maintain — a direct bolt-on upgrade that delivers real results and long-lasting performance.\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. Compatible with \u003c\/span\u003e\u003cspan\u003eFMF or OEM headers\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 dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eResonance Chamber Technology™ (RCT)\u003c\/span\u003e\u003cspan\u003e for power and noise 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\u003c\/span\u003e\u003cspan\u003e centralizes weight 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\u003eAerospace-grade aluminum canister\u003c\/span\u003e\u003cspan\u003e with \u003c\/span\u003e\u003cspan\u003estainless steel 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\u003eCarbon fiber end cap\u003c\/span\u003e\u003cspan\u003e for lightweight durability and factory styling\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)\u003c\/span\u003e\u003cspan\u003e allows easy tuning insert 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\u003eSignificant power gains\u003c\/span\u003e\u003cspan\u003e 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\u003eIncludes \u003c\/span\u003e\u003cspan\u003espark arrestor screen insert\u003c\/span\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cspan\u003e94dB 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\u003eWeighs only 7.1 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\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":"YZ 450F - '18-'26 \/ Carbon","offer_id":50041399116063,"sku":"79-40636","price":584.99,"currency_code":"USD","in_stock":true},{"title":"YZ 250F - '19-'25 \/ Carbon","offer_id":50041371722015,"sku":"79-40638","price":584.99,"currency_code":"USD","in_stock":true},{"title":"WR 250F - '20-'22 \/ Carbon","offer_id":50041390563615,"sku":"79-044473","price":539.99,"currency_code":"USD","in_stock":false},{"title":"WR 250R - 23-'24 \/ Carbon","offer_id":50041367134495,"sku":"79-40638","price":584.99,"currency_code":"USD","in_stock":true},{"title":"WR 450F - '19-'26 \/ Carbon","offer_id":50041399083295,"sku":"79-40636","price":584.99,"currency_code":"USD","in_stock":true},{"title":"YZ 250FX - '20-'25 \/ Carbon","offer_id":50041371754783,"sku":"79-40638","price":584.99,"currency_code":"USD","in_stock":true},{"title":"YZ 450FX - '19-'26 \/ Carbon","offer_id":50041399148831,"sku":"79-40636","price":584.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BTO__3__0000_044453.jpg?v=1734476980"},{"product_id":"fmf-powercore-2-silencer-yamaha","title":"FMF - Powercore 2 Silencer (Yamaha)","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eFMF – Powercore 2 Silencer (Yamaha)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/g4yniB4mWv4?si=nLwYoc5lnZgxfdxe\" 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\u003eFMF Powercore 2 Silencer\u003c\/strong\u003e\u003cspan\u003e is the standard by which all other two-stroke silencers are measured. Built for Yamaha riders who want stronger performance without extra noise, it combines lightweight construction, clean looks, and a broad power feel that works everywhere — from tight trails to open track sections. This is FMF’s most popular two-stroke silencer, trusted by riders worldwide for its proven mix of power, durability, and style.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Powercore 2 features a lightweight oval canister extruded from aircraft-grade 6060 T6 aluminum, paired with a stainless steel stinger and Performance Flow end cap for unbeatable strength and longevity. The perforated core design helps your engine breathe better, delivering crisp throttle response and smooth, predictable power throughout the rpm range. It’s completely repackable, easy to maintain, and bolts right up to both stock and FMF pipes.\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 reliable, responsive, and looks as good as it sounds. The Powercore 2 adds a clean tone, sharper throttle feel, and that smooth, controllable FMF power delivery that makes riding more fun no matter the terrain.\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 silencer helps your Yamaha make stronger, smoother power while staying lightweight and easy to maintain. The stainless steel and aluminum build keeps it tough and rust-free, and the repackable core means it’ll keep performing season after season. It’s a simple, proven way to wake up your bike without the hassle of a full exhaust system.\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 a wide range of Yamaha two-stroke models. Works with both FMF and OEM pipes.\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\u003e6060 T6 aircraft-grade aluminum canister for low 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\u003eStainless steel Performance Flow end cap and front stinger\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\u003ePerforated core for smooth, consistent power\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\u003eRepackable for long-term performance and 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\u003eFits both stock and FMF expansion pipes\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, durable, and track-proven design\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"FMF","offers":[{"title":"PW 50 - '83-'09","offer_id":50225613209887,"sku":"79-2831","price":179.99,"currency_code":"USD","in_stock":true},{"title":"PW 50 - '13-'25","offer_id":50225639883039,"sku":"79-2831","price":179.99,"currency_code":"USD","in_stock":true},{"title":"PW 80 - '91-'06","offer_id":50225697784095,"sku":"FMF024037","price":179.99,"currency_code":"USD","in_stock":true},{"title":"YZ 65 - '18-'25","offer_id":50225675796767,"sku":"18211874","price":179.99,"currency_code":"USD","in_stock":false},{"title":"YZ 80 - '93-'01","offer_id":50225801298207,"sku":"fmf8200","price":179.99,"currency_code":"USD","in_stock":true},{"title":"YZ 85 - '02-'25","offer_id":50225801330975,"sku":"fmf8200","price":179.99,"currency_code":"USD","in_stock":true},{"title":"YZ 85LW - '22-'25","offer_id":50225801363743,"sku":"fmf8200","price":179.99,"currency_code":"USD","in_stock":true},{"title":"YZ 125 - '02-'21","offer_id":50225879023903,"sku":"79-2822","price":179.99,"currency_code":"USD","in_stock":true},{"title":"YZ 125 - '22-'25","offer_id":50225935319327,"sku":"18212055","price":179.99,"currency_code":"USD","in_stock":true},{"title":"YZ 125X - '20-'22","offer_id":50225879056671,"sku":"79-2822","price":179.99,"currency_code":"USD","in_stock":true},{"title":"YZ 125X - '23-'25","offer_id":50225935352095,"sku":"18212055","price":179.99,"currency_code":"USD","in_stock":true},{"title":"WR 250 - '94-'97","offer_id":50225967333663,"sku":"79-2823","price":179.99,"currency_code":"USD","in_stock":false},{"title":"YZ 250 - '93-'95","offer_id":50225967366431,"sku":"79-2823","price":179.99,"currency_code":"USD","in_stock":false},{"title":"YZ 250 - '96-'99","offer_id":50226000789791,"sku":"79-2826","price":179.99,"currency_code":"USD","in_stock":true},{"title":"YZ 250 - '00-'01","offer_id":50226042831135,"sku":"79-2828","price":179.99,"currency_code":"USD","in_stock":true},{"title":"YZ 250 - '02-'25","offer_id":50226094145823,"sku":"79-2830","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/BTO__3__0000_79-2831.jpg?v=1735581677"}],"url":"https:\/\/www.btosports.com\/collections\/yamaha-fmf-exhausts.oembed","provider":"BTO Sports","version":"1.0","type":"link"}