Muffler

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 Fits: Year Make Model Submodel 2026 Yamaha WR125R Base

Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.This Part Fits: Year Make Model Submodel 2005-2009,2011-2026 Yamaha TTR230 Base

Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.This Part Fits: Year Make Model Submodel 2004-2009,2011-2026 Honda CRF50F Base 2000-2003 Honda XR50R Base

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 Engineering - moving the muffler closer to...

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 Engineering - moving the muffler closer to...

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 and contraction of exhaust sonics through the system resulting in a...

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 caps make for the perfect balance...

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 steel.This Part Fits: Year Make Model Submodel 2019-2026 Honda CRF450X Base

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 caps make for the perfect balance...

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 caps make for the perfect balance...

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 caps make for the perfect balance...

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 Engineering - moving the muffler closer to...

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 Engineering - moving the muffler closer to...

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 and contraction of exhaust sonics through the system resulting in a...

Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.This Part Fits: Year Make Model Submodel 2013-2018 Honda CRF110F Base

Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.This Part Fits: Year Make Model Submodel 2003-2009,2012-2017 Honda CRF150F Base 2003-2009,2012-2017,2019 Honda CRF230F Base

Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.This Part Fits: Year Make Model Submodel 2004-2009,2011-2013 Honda CRF100F Base 2004-2009,2011-2013 Honda CRF80F Base 2001-2003 Honda XR100R Base 2001-2003 Honda XR80R Base

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 Engineering - moving the muffler closer to...

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 caps make for the perfect balance...

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 Fits: Year Make Model Submodel 2009-2026 Yamaha YFZ450R Base 2009-2026 Yamaha YFZ450R...