- Features lightweight stainless steel and aluminum construction
- Designed to increase horsepower and torque
- Bolts directly to the stock headpipe
- Optional quiet core inserts not included
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2004-2009 | Yamaha | YFZ450 | |
| 2012-2013 | Yamaha | YFZ450 | |
| 2006-2007 | Yamaha | YFZ450V Bill Balance Edition | |