Betamotor Motorcycle 250 RR Enduro 4T2nd Filter 05-09 400 RR Enduro 4T2nd Filter 05-09 450 RR Enduro 4T2nd Filter 05-09 525 RR Enduro 4T2nd Filter 05-09 KTM ATV 450 XC ATV2nd Filter 08-11 525 XC ATV2nd Filter 08-11 KTM Motorcycle 250 EXC Racing2nd Filter 03 250 EXC Racing2nd Filter 04-06 400 EXC Racing (1 Hole Air Filter) 2nd Filter 04-05 400 EXC Racing (3 Hole Air Filter) 2nd Filter 04-05 400 EXC2nd Filter 06-07 400 SX / MXC / EXC (1 Hole Air Filter)2nd Filter 04-05 400 SX / MXC / EXC (3 Hole Air Filter) 2nd Filter 04-05 400 XC-W2nd Filter 07 450 SX / EXC / MXC2nd Filter 03-06 450 EXC2nd Filter 07 450 SMR2nd Filter 05-07 450 XC / XC-W2nd Filter 07 450 XC2nd Filter 08 520 SX / MXC / EXC2nd Filter 99 520 SX / MXC / EXC2nd Filter 00 520 SX / MXC / EXC (1 Hole Air Filter)2nd Filter 01-02 520 SX / MXC / EXC (3 Hole Air Filter)2nd Filter 01-02 525 SX / MXC / EXC (1 Hole Air Flter)2nd Filter 03 525 SX / MXC / EXC / XC / XC-W (3 Hole Air Filter)2nd Filter 03-07 525 SMR2nd Filter 04-06 540 SXS2nd Filter 560 SMR2nd