Description
Features
- MBRP Sport mufflers (SP) offer a mild exhaust note over our utility system, while increasing flow and power, 4.25" muffler
- No clutching required
- Power Tech 4 slip-on systems are engineered to meet 96 DB at 4000RPM
- Lighter than stock and constructed of 304 stainless and ceramic coated materials
| 2008 | Yamaha | YFM660FG Grizzly 4WD [IRS] |
| 2007 | Yamaha | YFM660FG Grizzly 4WD [IRS] |
| 2006 | Yamaha | YFM660FG Grizzly 4WD [IRS] |
| 2005 | Yamaha | YFM660FG Grizzly 4WD [IRS] |
| 2004 | Yamaha | YFM660FG Grizzly 4WD [IRS] |
| 2003 | Yamaha | YFM660FG Grizzly 4WD [IRS] |
| 2002 | Yamaha | YFM660FG Grizzly 4WD [IRS] |