Description
Features
- FMF developed the PowerCore 4 to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding
- Aluminum construction and stainless steel Hi-Flo endcaps make for the perfect balance of performance and strength
- Removable spark arrestor included
| Position | Notes | |||
|---|---|---|---|---|
| 2004, 2005, 2006, 2007, 2008, 2009, 2012, 2013, 2014, 2015 | Yamaha | YFZ450 | - | - |
