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 | |||
|---|---|---|---|---|
| 2001-2005 | Yamaha | YFM660R Raptor | - | - |
