FMF Racing

FMF Racing Honda CRF450X / RX 21-24 SS Alum Factory 4.1 RCT SO Muffler w/ R. Carbon Cap - 041602

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 Honda CRF450X / RX 21-24 SS Aluminum Factory 4.1 RCT Complete System w/ TI MB Header - 041604

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 Honda CRF450X 05-09 / 12-17 Powercore 4 Hex Muffler - 041514

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 Honda CRF450X 05-09 / 12-17 SS Aluminum Factory 4.1 RCT SO Muffler - 041517

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 Honda CRF450X 05-09/ 12-17 Hex Q4 S/A Muffler - 041516

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 Honda CRF450X 19 Hex Q4 S/A Muffler - 041578

Developed over years of championship offroad racing. Max sound output 96dB; most models below 94dB. Use with stock or FMF header. Constructed from aircraft-grade aluminum and high-strength stainless...

FMF Racing Honda CRF450X 19-22 Anod TI Factory 4.1 RCT SO Muffler w/ R. Carbon Cap - 041587

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 Honda CRF450X 19-22 Powercore 4 Hex Muffler - 041586

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 Honda CRF450X 19-22 SS Megabomb Header - 041577

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 Honda CRF70F 05-12 Powercore 4 Muffler w/SS Header - 041178

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

FMF Racing Honda CRF70F 05-12 Powercore 4 S/A w/Header - 041179

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

FMF Racing Honda SportTrax TRX250EX 01-08/ TRX250X 09-14/16-20 Powercore 4 S/A Muffler - 041269

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...