FMF Racing

FMF Racing Yamaha TTR50 06-09/ 13-24 Powercore 4 S/A Muffler w/SS Header - 044157

Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.

FMF Racing Yamaha TTR90 00-07 Powercore 4 Muffler w/SS Header - 040080

Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.

FMF Racing Yamaha TTTR/TTRL125 Powercore 4 S/A Muffler w/Header - 040071

Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.

FMF Racing Yamaha WR200 1991-93 Fatty Pipe - 020133

The most copied pipe in the world and #1 best seller for FMF, the Fatty broadens the powerband and provides significant increases throughout.

FMF Racing Yamaha WR200 1991-93 Powercore Silencer - 020256

The original Powercore is a lightweight and compact silencer constructed of an extruded aluminum canister with nickel-plated stinger and end cap. It is fully re-buildable using basic hand tools. It...

FMF Racing Yamaha WR250F 20-21 Powercore 4 Hex Muffler - 044471

The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable and compatible with every style of riding...

FMF Racing Yamaha WR250F 20-21 SS Aluminum Factory 4.1 RCT SO Muffler w/ R. Carbon Cap - 044473

The 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...

FMF Racing Yamaha YFZ450R 09-22/450X 10-11 Q4 S/A Muffler - 044301

A 4-Stroke header system that incorporates FMF's patented Power Bomb module at a precise location in the initial stage of the header system; by positioning the "Bomb" at this key point, the expansion...

FMF Racing Yamaha YZ250 1984-86 Fatty Pipe - 020124

The most copied pipe in the world and #1 best seller for FMF, the Fatty broadens the powerband and provides significant increases throughout.

FMF Racing Yamaha YZ250 1986-87 89/WR250 1989 Powercore Silencer - 020249

The original Powercore is a lightweight and compact silencer constructed of an extruded aluminum canister with nickel-plated stinger and end cap. It is fully re-buildable using basic hand tools. It...

FMF Racing Yamaha YZ250 1991-92/WR250 1991-93 Fatty Pipe - 020135

The most copied pipe in the world and #1 best seller for FMF, the Fatty broadens the powerband and provides significant increases throughout.

FMF Racing Yamaha YZ250 1991-92/WR250 1991-93 Turbinecore Spark Arrestor Silencer - 020353

Compact in size and lightweight, the Turbinecore spark arrestor system uses the exclusive "Turbine Dampening System" making it a U.S. Forest approved silencer. Now older machines can be U.S. Forest...