FMF Racing Yamaha YZ450F 18-24/WR450F (2019)/ YZ450FX 19-24 Powercore 4 Hex 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
2019	Yamaha	WR450F	Base
2018-2021	Yamaha	YZ450F	Base
2019-2021	Yamaha	YZ450FX	Base