- Top factory teams and riders around the world choose Twin Air dual-stage air filters
- Dual-bonded foam design filters out even the smallest dirt particles, while allowing more airflow than two separate layer filters flow bench proven
- Flat foam sealing ring securely seats against the airbox, even in the worst riding conditions
- Twin Air filters are slightly smaller than stock to make them easier to change and to increase dead air space around the filter for better performance
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2008-2009 | KTM | 450 SXF | |
| 2008 | KTM | 450 SXS | |
| 2008-2009 | KTM | 450 XC-F | |
| 2008-2009 | KTM | 450 XC-W | |
| 2009 | KTM | 450SX | |
| 2008-2009 | KTM | 450XC | |
| 2008 | KTM | 505 SXF | |
| 2008-2009 | KTM | 505 XC-F | |
| 2009 | KTM | 505SX | |