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 of a shorter header.This Part...

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 damage and complementary to our Factory Forward...

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. Aluminum construction and stainless steel Hi-Flo end...

Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.This Part Fits:YearMakeModelSubmodel2019-2021HondaCRF125FBase

Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.This Part Fits:YearMakeModelSubmodel2004HondaCRF70FBase2001-2003HondaXR70RBase

Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.This Part Fits:YearMakeModelSubmodel2001-2003HondaXR100RBase2001-2003HondaXR80RBase

Replaces broken, worn and damages exhaust cone caps.

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

Comprised of fine, blended interwoven fiberglass fibers made to FMF's specifications for high-heat resistance, great sound attenuation and optimum performance and longevity.

Comprised of fine, blended interwoven fiberglass fibers made to FMF's specifications for high-heat resistance, great sound attenuation and optimum performance and longevity.

Comprised of fine, blended interwoven fiberglass fibers made to FMF's specifications for high-heat resistance, great sound attenuation and optimum performance and longevity.