FMF Racing FMF Racing Honda TRX450R 04-14 Anod Factory 4.1 RCT SO Muffler w/ R. Carbon Cap - 041546 The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technologyâ„¢ both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash... $674.99
FMF Racing FMF Racing Honda TRX450R 04-14 Hex Q4 S/A Muffler - 041544 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... $499.99
FMF Racing FMF Racing Yamaha YFZ450 04-09/12-15 Q4 S/A Muffler - 044210 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... $499.99
FMF Racing FMF Racing Honda TRX450R 04-14 Powercore 4 Hex Muffler - 041543 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... $449.99
FMF Racing FMF Racing Yamaha YFZ450 04-09/ 12-15 Powercore 4 Muffler - 044224 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... $449.99
FMF Racing FMF Racing Yamaha YZ/WR450F 03-06/ YFZ450 04-09/ 12-15 SS Powerbomb Header - 044033 The redesigned PowerBomb is a 4-stroke header that incoporates FMF's patented PowerBomb module at a precise location in the initial stage of the header, resulting in performance gains and improved... $249.99