- 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 |
| 1998-1999 | KTM | 125 EGS | |
| 1998-2003 | KTM | 125 EXC | |
| 2000-2001 | KTM | 125 EXE | |
| 1998-2003 | KTM | 125 SX | |
| 2000-2003 | KTM | 125 SXS | |
| 1998-1999 | KTM | 200 EGS | |
| 1998-2003 | KTM | 200 EXC | |
| 1998-2003 | KTM | 200 MXC | |
| 1998-2003 | KTM | 200 SX | |
| 1998-1999 | KTM | 250 EGS | |
| 1998-2003 | KTM | 250 EXC | |
| 2003 | KTM | 250 EXC 4 Stroke | |
| 1998-2003 | KTM | 250 MXC | |
| 1998-2003 | KTM | 250 SX | |
| 2000-2003 | KTM | 250 SXS | |
| 1998-1999 | KTM | 300 EGS | |
| 1998-2003 | KTM | 300 EXC | |
| 1998-2003 | KTM | 300 MXC | |
| 1998-1999 | KTM | 380 EGS | |
| 1998-2002 | KTM | 380 EXC | |
| 1998-2002 | KTM | 380 MXC | |
| 1998-2002 | KTM | 380 SX | |
| 2000 | KTM | 400 LC4 | |
| 2001-2002 | KTM | 520 EXC | |
| 2001-2002 | KTM | 520 MXC | |
| 2001-2002 | KTM | 520 SX | |
| 2003 | KTM | 525 EXC | |
| 2003 | KTM | 525 MXC | |
| 2003 | KTM | 525 SX | |
| 2004 | KTM | 85 SX 17/14 | |