FMF Racing Yamaha YFZ450 04-09/ 12-15 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
2004-2009,2012-2015	Yamaha	YFZ450	Base