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:YearMakeModelSubmodel2000-2004YamahaYZ125Base

Hand-pounded seams for superior flow, lighter gauge metal for the Factory sound.This Part Fits:YearMakeModelSubmodel2001-2007SuzukiRM125Base

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:YearMakeModelSubmodel2002-2009,2012,2015-2021SuzukiRM85Base

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

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:YearMakeModelSubmodel1998-2002KawasakiKX125Base

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:YearMakeModelSubmodel1989-2001HondaCR500RBase

Tractor-like bottom end pull, thicker midrange and rugged 18-gauge steel construction.This Part Fits:YearMakeModelSubmodel2000-2001HondaCR250RBase

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:YearMakeModelSubmodel1987-2006YamahaYFZ350 BansheeBase

Tractor-like bottom end pull, thicker midrange and rugged 18-gauge steel construction.This Part Fits:YearMakeModelSubmodel1995-2006KawasakiKDX200Base

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:YearMakeModelSubmodel1990-1997HondaCR125RBase

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:YearMakeModelSubmodel1985-1986HondaATC250RBase

FMF Racing KTM 250SX/XC/XCW/300XC/XCW 2011-16/HSBRG/HQV TC/TE250/300 2011-16 Factory Fatty PipeThis Part Fits:YearMakeModelSubmodel2011-2016KTM250 SXBase2011-2016KTM250 XCBase2011-2016KTM250 XC-WBase2011-2016KTM300 XCBase2011-2016KTM300 XC-WBase