- Designed for maximum torque and power across torque curve
- Made from durable 16 gauge steel body with a lightweight aluminum rear end cap
- Features a "quiet" 86-92dB sound level
- Includes U.S.F.S. approved, removable screen-type spark arrestor; replacement spark arrestor sold separately
- Bolts on to stock headpipe in minutes
- Repackable muffler body
- Made in the U.S.A.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2002-2004 | Yamaha | Grizzly 660 YFM660F 4x4 | |
| 2005-2006 | Yamaha | Grizzly 660 YFM660FA 4x4 | |
| 2008 | Yamaha | Grizzly 660 YFM660FA 4x4 | |
| 2007 | Yamaha | Grizzly 660 YFM660FG 4x4 | |