FMF Racing

FMF Racing Yamaha YZ250F 10-13 SS Alum Factory 4.1 RCT SO Muffler w/ R. Carbon Cap - 044382

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 YZ250F 14-18/ YZ250FX 15-19/WR250F 15-19 Hex Q4 S/A Muffler - 044426

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 YZ250F 14-18/YZ250FX 15-19/WR250F 15-19 Powercore 4 Hex Muffler - 044423

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 YZ250F 19-24/YZ250FX 20-24 Powercore 4 Hex Muffler - 044451

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 YZ250F 19-24/YZ250FX 20-24/WR250F 20-21 SS Megabomb Header w/Mid Pipe - 044449

The ultimate power boost, the MegaBomb Headers improve performance along the bottom and mid-range powerband. Patented FMF technology combines the benefits of a longer header, with top end peformance...

FMF Racing Yamaha YZ250F 19-24/YZ250FX 20-24/WR250F 20-21 Titanium Megabomb Header w/Mid Pipe - 044450

The ultimate power boost, the MegaBomb Headers improve performance along the bottom and mid-range powerband. Patented FMF technology combines the benefits of a longer header, with top end peformance...

FMF Racing Yamaha YZ250F 19-25/YZ250FX 20-25 AL F 4.1 RCT R. Carbon Cap Comp Sys w/ SS MB Header/MID - 044456

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 YZ250F/FX 19-24 Anodized Titanium Factory 4.1 RCT Full System w/Carbon Cap - 044457

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 YZ250F/YZ450F 06-09 /WR250F 07-13/WE450F 07-11 Anod SS Fact 4.1 SO Muffler - 044235

The Factory 4.1 exhaust system with the Powerbomb header is FMF's premier exhaust system. This system is perfect for the track or dunes, and is used by factory teams such as KTM, Epic Can-Am and Rath...

FMF Racing Yamaha YZ250X 16-24 Turbinecore 2 Spark Arrestor Silencer - 024066

The Turbinecore 2 is low maintenance, lightweight and retains power with the exclusive "Turbine Dampening System". This top-notch product features a straight through spark arrestor canister and...

FMF Racing Yamaha YZ250X 16-24 Turbinecore 2.1 Spark Arrestor Silencer - 024067

Factory forward engineering helps maintain proper center of gravity and neutral handling. Larger volume canister yet lightweight overall, repacking intervals lengthened. USFS-approved turbine spark...

FMF Racing Yamaha YZ450F 03-05/WR450F 03-06 Powercore 4 Muffler - 044222

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...