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.
Fits:
Yamaha_WR250F Base 2007 to 2013
Yamaha_WR450F Base 2007 to 2011
Yamaha_YZ250F Base 2006 to 2009
Yamaha_YZ450F Base 2006 to 2009
| Air Freight Prohibited: false |
| Not Carb Approved: false |
| Ltl Freight Required: false |
| Prop 65: Unknown |
| Part Type: powersports |
| Epa: Compliant |
| Carb Acknowledgement Required: false |
| Regular Stock: t |