- Converts the top of the airbox to increase intake air velocity
- Adds air volume into the airbox between engine cycles to improve fuel atomization efficiency for improved throttle response and three additional peak horsepower
- Improves stock sleds; mandatory for modified machines
- Sold as a kit
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2002 | Polaris | RMK 500 | |
| 2002 | Polaris | RMK 600 | |
| 2004 | Polaris | RMK 600 | |
| 2003 | Polaris | RMK 600 144in | |
| 2005 | Polaris | RMK 600 144in | |
| 2002-2005 | Polaris | RMK 700 144in | |
| 2002-2005 | Polaris | RMK 800 144in | |
| 2005 | Polaris | RMK 900 151in | |
| 2002-2005 | Polaris | Trail RMK | |
| 2003 | Polaris | XC 500 | |
| 2003 | Polaris | XC 600 | |
| 2003-2004 | Polaris | XC 700 | |
| 2003-2004 | Polaris | XC 800 | |
| 2003 | Polaris | XC SP 120 | |
| 2003-2005 | Polaris | XC SP 500 | |
| 2003-2005 | Polaris | XC SP 600 | |
| 2003-2005 | Polaris | XC SP 700 | |
| 2003-2005 | Polaris | XC SP 800 | |