The FMF Factory Fatty 025183 pipe for KTM 150 SX 2016-2018 recalls the legendary conical bellies used by the Factory Teams, offering craftsmanship features and high quality materials. With the Factory...

The FMF Fatty 025297 pipe for Beta X-Trainer 2023-2024 offers race-proven performance, broadening and smoothing the power curve to increase gains throughout the power band. Whether you're an...

The FMF Fatty 021021 pipe for Honda CR125R 2002-2003 offers race-proven performance, broadening and smoothing the power curve to increase gains throughout the power band. Whether you're an...

The FMF Fatty 020143 pipe for Yamaha Blaster YFS200 1988-2006 offers race-proven performance, broadening and smoothing the power curve to increase gains throughout the power band. Whether you're...

The FMF Fatty 020147 pipe for Yamaha YZ125 1996-1998 offers race-proven performance, broadening and smoothing the power curve to increase gains throughout the power band. Whether you're an...

The FMF Fatty 024041 pipe for Yamaha YZ125 2000-2004 offers race-proven performance, broadening and smoothing the power curve to increase gains throughout the power band. Whether you're an...

The FMF Fatty 020137 pipe for Yamaha YZ250 1993-1994 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 Gnarly 025131 pipe for Husqvarna TE 250 2014-2016 is designed to increase horsepower and torque at lower RPM, helping you overcome the toughest terrain. If you want to transform your 2-stroke...

The FMF Gnarly 022007 pipe for Kawasaki KX250 2001-2002 is designed to increase horsepower and torque at lower RPM, helping you overcome the toughest terrain. If you want to transform your 2-stroke...