FMF Racing

FMF Racing Honda CRF450R 05-08 Powercore 4 Muffler - 041276

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 CRF450R 13-16 TI Factory 4.1 RCT SO Muffler w/ Side Panel - 041509

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 CRF450R SS Powercore 4 Header - 041557

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

FMF Racing Honda CRF450R/ RX 21-24 Titanium Megabomb Header - 041599

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 CRF450R/RX 21-24 Powercore 4 Hex Muffler - 041600

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 CRF450R/RX 21-24 Q4 S/A Muffler - 041601

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 CRF450R/X 04-12 SS Power Bomb Header - 041082

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...

FMF Racing Honda CRF450X / RX 21-24 Anod Factory 4.1 RCT Complete System w/ TI MB Header - 041605

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 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...