UNI air filters are unsurpassed in airflow, dirt stopping and overall performance. The produce more horsepower and more torque than any other air filter. Uni's revolutionary two stage air filter is the only filter that comes apart for maximum airflow and ultimate cleaning. To complete the winning combination, apply Uni oil and Uni cleaner. Applications: 2008-12 KTM 85 2008-10 KTM 105 SX/XC (3 Pin) 2002-04 KTM 250 EXC/MXC/SX 4 Stroke 2002-04 KTM 400 EXC/MXC/SX 4 Stroke 2002-04 KTM 450 EXC/MXC/SX 4 Stroke 2002-04 KTM 520 EXC/MXC/SX 4 Stroke 2002-04 KTM 525 EXC/MXC/SX 4 Stroke 2004-07 KTM All 2 4 Stroke (Exc. SX SXF)