FMF

FMF Racing® Gnarly Pipe Expansion Chamber for 2000-2006 Husqvarna CR250 and WR250 025010

FMF Racing® Gnarly Pipe Expansion Chamber for 2003-2004 Honda CR250R 021041

FMF Racing® Gnarly Pipe Expansion Chamber for 2004-2008 Suzuki RM250 023060

FMF Racing® Gnarly Pipe Expansion Chamber for 2005-2007 Honda CR250R 021044

FMF Racing® Gnarly Pipe Nickel Expansion Chamber 2017-2018 KTM 250 / 300 XC-W 2017-2018 Husqvarna TC 250 (and more) 025203

FMF Racing® Gnarly Pipe Nickel Expansion Chamber for 2002 Honda CR250R 021007

FMF Racing® Gnarly™ Factory Fatty™ Pipe Expansion Chamber for 1999-2021 Yamaha YZ250 024056

FMF Racing® Gnarly™ Gold Series Fatty™ Pipe Expansion Chamber 1997-2000 Suzuki RM125 020107

FMF Racing® Gnarly™ Pipe 2-Stroke Expansion Chamber for '06-'10 KTM 200XC-W and '06-'09 KTM 200XC 025087

FMF Racing® Gnarly™ Pipe 2-Stroke Expansion Chamber for some KTM models 025070

FMF Racing® Gnarly™ Pipe Expansion Chamber for '98-'02 380 KTM EXC/SX/MXC 020081

FMF Racing® Gnarly™ Pipe Expansion Chamber for 1988-1991 Honda CR250R 020025