FMF

FMF Exhaust Systems for 2-Stroke and 4-Stroke Bikes

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FMF - Powercore 2 Shorty Silencer (Kawasaki)FMF - Powercore 2 Shorty Silencer (Kawasaki) - alternate view
Summer Deal
FMF - Powercore 2 Shorty Silencer (Kawasaki)
. Final price: $179.99 . Original price: $199.99
10% OFF
FMF - Powercore 2 Silencer (Husqvarna)FMF - Powercore 2 Silencer (Husqvarna) - alternate view
Summer Deal
FMF - Powercore 2 Silencer (Husqvarna)
. Final price: $179.99 . Original price: $199.99
10% OFF
FMF - Pipe Spring and O-Ring Kit (Yamaha)FMF - Pipe Spring and O-Ring Kit (Yamaha) - alternate view
Summer Deal
FMF - Pipe Spring and O-Ring Kit (Yamaha)
. Final price: $11.69 . Original price: $12.99
10% OFF
FMF - Megabomb Stainless Header (Suzuki)FMF - Megabomb Stainless Header (Suzuki) - alternate view
Summer Deal
FMF - Megabomb Stainless Header (Suzuki)
. Final price: $337.49 . Original price: $374.99
10% OFF
FMF - Powercore 2 Silencer (Kawasaki)FMF - Powercore 2 Silencer (Kawasaki) - alternate view
Summer Deal
FMF - Powercore 2 Silencer (Kawasaki)
. Final price: $179.99 . Original price: $199.99
10% OFF
FMF - Q4 Hex Spark Arrestor Muffler (Beta)
Summer Deal
FMF - Q4 Hex Spark Arrestor Muffler (Beta)
. Final price: $404.99 . Original price: $449.99
10% OFF
FMF - Pipe Spring and O-Ring Kit (Kawasaki)FMF - Pipe Spring and O-Ring Kit (Kawasaki) - alternate view
Summer Deal
FMF - Pipe Spring and O-Ring Kit (Kawasaki)
. Final price: $11.69 . Original price: $12.99
10% OFF
FMF - Factory Fatty Pipe (Sherco)
Summer Deal
FMF - Factory Fatty Pipe (Sherco)
. Final price: $296.99 . Original price: $329.99
10% OFF
FMF - Gnarly Pipe (Beta)
Summer Deal
FMF - Gnarly Pipe (Beta)
. Final price: $296.99 . Original price: $329.99
10% OFF
FMF - Powercore 2.1 Extreme Silencer (Beta)
Summer Deal
FMF - Powercore 2.1 Extreme Silencer (Beta)
. Final price: $404.99 . Original price: $449.99
10% OFF
FMF - Powercore 4 Hex Muffler (Beta)
Summer Deal
FMF - Powercore 4 Hex Muffler (Beta)
. Final price: $359.99 . Original price: $399.99
10% OFF
FMF - Powercore 2.1 Silencer (Beta)
Summer Deal
FMF - Powercore 2.1 Silencer (Beta)
. Final price: $215.99 . Original price: $239.99
10% OFF
FMF - Megabomb Titanium Header (Gas Gas)FMF - Megabomb Titanium Header (Gas Gas) - alternate view
Summer Deal
FMF - Megabomb Titanium Header (Gas Gas)
. Final price: $427.49 . Original price: $474.99
10% OFF
FMF - Turbinecore 2.1 Silencer (Beta)
Summer Deal
FMF - Turbinecore 2.1 Silencer (Beta)
. Final price: $242.99 . Original price: $269.99
10% OFF
FMF - Powercore 2.1 Shorty Silencer (Beta)
Summer Deal
FMF - Powercore 2.1 Shorty Silencer (Beta)
. Final price: $215.99 . Original price: $239.99
10% OFF
FMF - Pipe O-Ring Kits (KTM)
Summer Deal
FMF - Pipe O-Ring Kits (KTM)
. Final price: $11.69 . Original price: $12.99
10% OFF
FMF - Powercore 2.1 Silencer (Sherco)
Summer Deal
FMF - Powercore 2.1 Silencer (Sherco)
. Final price: $215.99 . Original price: $239.99
10% OFF
FMF - ATV 2-Stroke Powercore 2 SilencerFMF - ATV 2-Stroke Powercore 2 Silencer - alternate view
Summer Deal
FMF - ATV 2-Stroke Powercore 2 Silencer
Price range: $179.99 - $314.99
Up to 10% OFF
FMF - Powercore 2 Shorty Silencer (Husqvarna)FMF - Powercore 2 Shorty Silencer (Husqvarna) - alternate view
Summer Deal
FMF - Powercore 2 Shorty Silencer (Husqvarna)
. Final price: $179.99 . Original price: $199.99
10% OFF
FMF - Turbinecore 2 Replacement Rear End CapFMF - Turbinecore 2 Replacement Rear End Cap - alternate view
Summer Deal
FMF - Turbinecore 2 Replacement Rear End Cap
. Final price: $35.99 . Original price: $39.99
10% OFF
FMF - Gnarly Pipe (Sherco)
Summer Deal
FMF - Gnarly Pipe (Sherco)
. Final price: $296.99 . Original price: $329.99
10% OFF
FMF - Powercore 2 Replacement Rear End CapFMF - Powercore 2 Replacement Rear End Cap - alternate view
Summer Deal
FMF - Powercore 2 Replacement Rear End Cap
. Final price: $35.99 . Original price: $39.99
10% OFF
FMF - Pipe Spring and O-Ring Kit (Suzuki)FMF - Pipe Spring and O-Ring Kit (Suzuki) - alternate view
Summer Deal
FMF - Pipe Spring and O-Ring Kit (Suzuki)
. Final price: $11.69 . Original price: $12.99
10% OFF
FMF - Fatty Pipe (Honda) select-model:cr-125 select-year:90-97
Summer Deal
FMF - Fatty Pipe (Honda) select-model:cr-125 select-year:90-97
. Final price: $278.99 . Original price: $309.99
10% OFF
FMF - Pipe Spring and O-Ring Kit (Honda)FMF - Pipe Spring and O-Ring Kit (Honda) - alternate view
Summer Deal
FMF - Pipe Spring and O-Ring Kit (Honda)
. Final price: $11.69 . Original price: $12.99
10% OFF
FMF - Fatty Pipe (Honda) select-model:cr-125 select-year:00-01
Summer Deal
FMF - Fatty Pipe (Honda) select-model:cr-125 select-year:00-01
. Final price: $269.99 . Original price: $299.99
10% OFF
FMF - Universal Header Heat ShieldFMF - Universal Header Heat Shield - alternate view
Summer Deal
FMF - Universal Header Heat Shield
Price range: $31.49 - $44.99
Up to 10% OFF
FMF - Fatty Pipe (Honda) select-model:cr-125 select-year:02-03
Summer Deal
FMF - Fatty Pipe (Honda) select-model:cr-125 select-year:02-03
. Final price: $269.99 . Original price: $299.99
10% OFF
Professional studio photo of FMF - TI 4 / Factory 4 Replacement Springs and Clips; showing overall shape and visible design details; SKU FMF040186
Summer Deal
FMF - TI 4 / Factory 4 Replacement Springs and Clips
. Final price: $9.89 . Original price: $10.99
10% OFF
FMF - Fatty Pipe (Honda) select-model:cr-85 select-year:05-07
Summer Deal
FMF - Fatty Pipe (Honda) select-model:cr-85 select-year:05-07
. Final price: $269.99 . Original price: $299.99
10% OFF
FMF - Fatty Pipe (Honda) select-model:cr-125 select-year:2004
Summer Deal
FMF - Fatty Pipe (Honda) select-model:cr-125 select-year:2004
. Final price: $269.99 . Original price: $299.99
10% OFF
You’ve viewed 175/175 products

FMF | High-Performance Exhaust Systems & Parts for 2-Stroke & 4-Stroke

FMF Racing is one of the most respected names in dirt bike and motocross exhaust performance, trusted by professional racers and weekend riders alike. Known for race-proven engineering, FMF exhaust systems are designed to improve power delivery, throttle response, and overall ride character across motocross, off-road, and trail applications. Whether you ride a 2-stroke or 4-stroke, FMF offers tuned solutions that balance performance gains with durability and sound control.

At BTO Sports, you can shop all FMF products, browse dedicated FMF exhaust systems, or find discounted options in the FMF exhaust sale. FMF exhausts are engineered to match specific riding styles, terrain types, and engine platforms so riders can dial in performance without guesswork.

FMF Exhaust Categories | Built for How You Ride

FMF offers a full lineup of performance exhaust components designed around engine type and riding demands. Popular performance categories include high-flow 2-stroke pipes that enhance powerband response, durable 2-stroke silencers for tuned sound and throttle feel, and race-inspired 4-stroke exhausts that improve torque, horsepower, and weight savings.

For riders chasing top-tier race performance, the FMF Factory 4.1 exhausts represent FMF’s flagship systems, combining advanced materials, precision tuning, and competition-level performance for motocross and off-road racing.

Accessories, ATV Systems & Lifestyle Gear

In addition to full exhaust systems, FMF offers a wide range of supporting components and gear. Riders can find replacement parts and tuning components in FMF exhaust accessories, performance-focused ATV exhaust systems for quad riders, and off-bike style options in FMF casual wear.

OEM-Specific FMF Exhaust Options

FMF designs exhaust systems specifically for popular OEM platforms to ensure proper fitment and optimized performance. Riders can shop bike-specific options such as GasGas FMF pipes, GasGas 2-stroke silencers, Husqvarna FMF pipes, and KTM PowerParts FMF 2-stroke silencers. These OEM-matched systems help riders unlock performance without compromising reliability or fit.

From motocross tracks to off-road trails, FMF exhaust systems deliver proven performance gains backed by decades of racing experience. Explore the categories above to find the right FMF setup for your dirt bike, riding style, and performance goals.