- 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 |
| 2004-2010 | KTM | 105 SX | |
| 2008-2010 | KTM | 105 XC | |
| 2004-2006 | KTM | 125 EXC | |
| 2004-2006 | KTM | 125 SX | |
| 2004-2006 | KTM | 125 SXS | |
| 2004-2005 | KTM | 200 EXC | |
| 2004 | KTM | 200 SX | |
| 2006-2007 | KTM | 200 XC | |
| 2006-2007 | KTM | 200 XC-W | |
| 2004-2005 | KTM | 250 EXC | |
| 2004-2005 | KTM | 250 EXC 4 Stroke | |
| 2004-2006 | KTM | 250 SX | |
| 2005-2006 | KTM | 250 SXF | |
| 2004-2006 | KTM | 250 SXS | |
| 2006 | KTM | 250 SXS-F | |
| 2006 | KTM | 250 XC | |
| 2006 | KTM | 250 XCF-W | |
| 2006 | KTM | 250 XC-W | |
| 2004-2005 | KTM | 300 EXC | |
| 2004-2005 | KTM | 300 MXC | |
| 2006-2007 | KTM | 300 XC | |
| 2006-2007 | KTM | 300 XC-W | |
| 2001 | KTM | 400 LC4 | |
| 2003-2005 | KTM | 450 EXC | |
| 2005-2012 | KTM | 85 SX 17/14 | |
| 2005-2010 | KTM | 85 SX 19/16 | |
| 2008-2009 | KTM | 85 XC | |