Hand-pounded seams for superior flow, lighter gauge metal for the Factory sound.This Part Fits:YearMakeModelSubmodel1999-2021YamahaYZ250Base

Tractor-like bottom end pull, thicker midrange and rugged 18-gauge steel construction.This Part Fits:YearMakeModelSubmodel1999-2021YamahaYZ250Base2016-2021YamahaYZ250XBase

The most copied pipe in the world and #1 best seller for FMF, the Fatty broadens the powerband and provides significant increases throughout.This Part Fits:YearMakeModelSubmodel1999-2021YamahaYZ250Base

The most copied pipe in the world and #1 best seller for FMF, the Fatty broadens the powerband and provides significant increases throughout.This Part Fits:YearMakeModelSubmodel2002-2021YamahaYZ125Base2020-2021YamahaYZ125XBase

Shorter inner core length and aluminum canister. Finely tuned bolt-on silencer that maximizes bottom-end and mid-RPM. An excellent choice for tight tracks and Supercross tracks.This Part...

Shorter inner core length and aluminum canister. Finely tuned bolt-on silencer that maximizes bottom-end and mid-RPM. An excellent choice for tight tracks and Supercross tracks.This Part Fits:YearMakeModelSubmodel2002-2021YamahaYZ250Base

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 nickel-plated front stinger. Easy maintenance and is completely...

The Turbinecore 2 is low maintenance, lightweight and retains power with the exclusive "Turbine Dampening System". This top-notch product features a straight through spark arrestor canister and performance flow stainless steel end cap to ensure strength,...

Shorter inner core length and aluminum canister. Finely tuned bolt-on silencer that maximizes bottom-end and mid-RPM. An excellent choice for tight tracks and Supercross tracks.This Part...

The most copied pipe in the world and #1 best seller for FMF, the Fatty broadens the powerband and provides significant increases throughout.This Part Fits:YearMakeModelSubmodel2002-2018YamahaYZ85Base

The most copied pipe in the world and #1 best seller for FMF, the Fatty broadens the powerband and provides significant increases throughout.This Part Fits:YearMakeModelSubmodel2014-2021KawasakiKX100Base2022KawasakiKX112Base2014-2021KawasakiKX85Base

Compact in size and lightweight, the Turbinecore spark arrestor system uses the exclusive "Turbine Dampening System" making it a U.S. Forest approved silencer. Now older machines can be U.S. Forest legal with an updated factory look and sound. Re-packing...