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...

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:YearMakeModelSubmodel2013-2018HondaCRF110FBase

Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.This Part Fits:YearMakeModelSubmodel2005-2009,2011-2012HondaCRF70FBase

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.

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 flow.This Part...

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.