AIRBOX COVER KAWASAKI KX250F 17 20, KX450F 16 18 Rad Scoops Hard shell protector Jersey Size:Youth XLarge Hard shell protector KTM 250 EXC 06 13 FXFL 50100 55OR Orange 250 SX 06 13 FXFL 50100 55OR Orange 250 EXC F 06 13 FXFL 50100 55OR Orange 250 SXF 06 13 FXFL 50100 55OR Orange 300 SX 06 13 FXFL 50100 55OR Orange 300 TPI 2019 FXFL 50100 55OR Orange 350 EXC F 11 13 FXFL 50100 55OR Orange 350 SXF 11 13 FXFL 50100 55OR Orange 400 EXC F 08 12 FXFL 50100 55OR Orange 450 EXC F 07 13 FXFL 50100 55OR Orange 450 SX F 13 FXFL 50100 55OR Orange 500 EXC F 12 13 FXFL 50100 55OR Orange 500 XC W 12 13 FXFL 50100 55OR Orange 525 EXC F 07 12 FXFL 50100 55OR Orange 525 SX F 07 12 FXFL 50100 55OR Orange RFX Hardware Race Series Forged parts are designed simply remove your air filter from the airbox and install the Airbox Cover with the provided mounting screw (if required) leak free fit