The FMF Fatty 020142 pipe for Yamaha YZ250 1995-1996 offers race-proven performance, broadening and smoothing the power curve to increase gains throughout the power band. Whether you're an...

The FMF Fatty 020149 pipe for Yamaha YZ250 1997-1998 offers race-proven performance, broadening and smoothing the power curve to increase gains throughout the power band. Whether you're an...

The FMF Fatty 024053 pipe for Yamaha YZ250 1999-2024 offers race-proven performance, broadening and smoothing the power curve to increase gains throughout the power band. Whether you're an...

The FMF Fatty 024000 pipe for Yamaha YZ85 2002-2018 offers race-proven performance, broadening and smoothing the power curve to increase gains throughout the power band. Whether you're an...

The FMF Gnarly 025269 pipe for Beta 200RR 2020-2024 is designed to increase horsepower and torque at lower RPM, helping you overcome the toughest terrain. If you want to transform your 2-stroke with...

The FMF Gnarly 025156 pipe for Beta 250RR 2013-2019 is designed to increase horsepower and torque at lower RPM, helping you overcome the toughest terrain. If you want to transform your 2-stroke with...

The FMF Gnarly 025270 pipe for Beta 250RR 2020-2024 is designed to increase horsepower and torque at lower RPM, helping you overcome the toughest terrain. If you want to transform your 2-stroke with...

The FMF Gnarly 025156 pipe for Beta 300RR 2013-2019 is designed to increase horsepower and torque at lower RPM, helping you overcome the toughest terrain. If you want to transform your 2-stroke with...

The FMF Gnarly 025270 pipe for Beta 300RR 2020-2024 is designed to increase horsepower and torque at lower RPM, helping you overcome the toughest terrain. If you want to transform your 2-stroke with...

The FMF Gnarly 025270 pipe for Beta 300RX 2021-2024 is designed to increase horsepower and torque at lower RPM, helping you overcome the toughest terrain. If you want to transform your 2-stroke with...