Description
Features
- Utilize FMF's patented module precisely located at the initial stage of the header
- Position "Bomb" increases performance; horsepower is increased as much as 10%
- Act as "pre-muffler" helping to lower the decibel output
- The expansion and contraction of exhaust sonics through the system causes increased flow
| Position | Notes | |||
|---|---|---|---|---|
| 2007-2011 | Yamaha | WR450F | - | - |
| 2007-2009 | Yamaha | YZ450F | - | - |