FMF Racing Yamaha YZ250F 06-09/YZ450F 06-09/WR250F 07-13/450F 07-11 Powercore 4 Muffler

Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.

This Part Fits:

Year	Make	Model	Submodel
2007-2013	Yamaha	WR250F	Base
2007-2011	Yamaha	WR450F	Base
2006-2009	Yamaha	YZ250F	Base
2006-2009	Yamaha	YZ450F	Base