The most popular 2-Stroke silencer in the FMF arsenal. Balances power enhancements into a lightweight extruded aluminum oval canister design. Equipped with a "Performance Flow" end cap and...

The most popular 2-Stroke silencer in the FMF arsenal. Balances power enhancements into a lightweight extruded aluminum oval canister design. Equipped with a "Performance Flow" end cap and...

Tractor-like bottom end pull, thicker midrange and rugged 18-gauge steel construction.

Refresh the look of your Big Gun EVO R muffler with a full-wrap replacement decal designed specifically for high-heat exhaust applications. Its specialty aluminum backing helps withstand elevated...

Give your 2019-25 Honda CRF 110F a performance-focused upgrade with the Big Gun Evo M Series Black Out Full System Exhaust. Its lightweight design helps reduce weight while the tuned system delivers...

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...

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...

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

Give your 2006-23 Yamaha TTR 50 a noticeable performance upgrade with the Big Gun Evo M Series Full System Exhaust. Its lightweight design helps shed weight while delivering significant horsepower...

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...

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...

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...