FMF Racing Yamaha YZ250F 03-05/WR250F 03-06 Powercore 4 Muffler

The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable and compatible with every style of riding. Aluminum construction and stainless steel Hi-Flo end caps make for the perfect balance of performance and strength. Aluminum performance muffler with durable stainless steel components. Completely redesigned for all late model applications. Removable spark arrestor included. Aluminum slip-on developed to increase the horsepower and torque throughout the entire power band.

This Part Fits:

Year	Make	Model	Submodel
2003-2006	Yamaha	WR250F	Base
2003-2005	Yamaha	YZ250F	Base