- Utilize FMF's patented module precisely located at the initial stage of the header
- Key point positioning of the "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
- Sold each
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2009-2022 | Yamaha | YFZ450R | |
| 2016 | Yamaha | YFZ450R Special Edition | |
| 2017-2022 | Yamaha | YFZ450RSE | |
| 2009-2015 | Yamaha | YFZ450RSE Special Edition | |
| 2010-2011 | Yamaha | YFZ450X | |
| 2010 | Yamaha | YFZ450X Bill Balance Edition | |
| 2011 | Yamaha | YFZ450XSE Special Edition | |