- Laboratory flow analysis proves Boyesen dual-stage reeds outperform standard reeds
- They permit greater flow velocity over the entire range of operating pressures
- Increased performance from start-up to top acceleration
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1996 | Polaris | Indy Ultra SP | |
| 2001-2003 | Polaris | Pro X 440 | |
| 1994-1998 | Polaris | Storm | |
| 1997-1998 | Polaris | Ultra | |
| 1997 | Polaris | Ultra SP | |
| 1998-1999 | Polaris | XCR 440 | |
| 1997-1998 | Polaris | XCR 600 | |
| 1997 | Polaris | XCR 600 SE | |
| 1998-1999 | Polaris | XCR 700 | |
| 1999-2003 | Polaris | XCR 800 | |