4 Stroke

FMF Racing Powercore 4 Universal S/A Muffler - 040633

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 of a shorter header.

FMF Racing Honda XR80 86-90/ 93-00 XR100 86-00 Powercore 4 S/A Muffler w/SS Header - 040084

Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.This Part Fits:YearMakeModelSubmodel1986-2000HondaXR100RBase1986-1990HondaXR80RBase

FMF Racing Gas Gas 250/300 2018-19/RIEJU MR PRO 250-300 2020-23 Factory Fatty Pipe - 025219

FMF Racing Gas Gas 250/300 2018-19/RIEJU MR PRO 250-300 2020-23 Factory Fatty Pipe

FMF Racing Gas Gas 250/300 2018-19/RIEJU MR PRO 250-300 2020-23 Gnarly Pipe - 025218

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

FMF Racing Gas Gas 250/300 2012-14 Gnarly Pipe - 025152

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

FMF Racing Gas Gas 250/300 2007-11 Gnarly Pipe - 025095

Tractor-like bottom end pull, thicker midrange and rugged 18-gauge steel construction.This Part Fits:YearMakeModelSubmodel2007-2011Gas GasEC 250Base2007-2011Gas GasEC 300Base

FMF Racing Gas Gas 250/300 2003-06 Gnarly Pipe - 025056

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

FMF Racing Honda CR85 2005-07 Fatty Pipe - 021044

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: Year Make Model Submodel 2005-2007 Honda CR85R Base

FMF Racing Honda CR85 2003-04 Fatty Pipe - 021031

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:YearMakeModelSubmodel2003-2004HondaCR85RBase

FMF Racing Honda CR80 96-02 Fatty Pipe - 021000

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:YearMakeModelSubmodel1996-2002HondaCR80RBase

FMF Racing Honda CR250 2000-01 Fatty Pipe - 020378

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:YearMakeModelSubmodel2000-2001HondaCR250RBase

FMF Racing Kawasaki KX250 1997-00 Gnarly Pipe - 020059

Tractor-like bottom end pull, thicker midrange and rugged 18-gauge steel construction.This Part Fits:YearMakeModelSubmodel1997-2000KawasakiKX250Base