2 – STROKES: The best filter in the world can’t do its job if there are leaks in the seal of the airbox. That’s why Twin Air provides a complete line of products to ensure a leak-proof, fool proof fit. Twin Air’s PowerFlow kit comes with a rigid, lightweight, billet aluminum cage that provides a tight seal to the airbox and replaces your flimsy plastic stock cage. 4 – STROKES: Twin Air PowerFlow kit for 4-Stroke models: Replace your air-restricting stock backfire screen with our New PowerFlow kit. The kit includes a rigid, lightweight, billet aluminum cage with a special backfire-resistant layer of foam laminated to the inside of the filter.

Fitment:
Husqvarna FC 250 2016 to 2018
Husqvarna FC 350 2016 to 2018
Husqvarna FC 450 2016 to 2018
Husqvarna FE 250 2017 to 2018
Husqvarna FE 350 2017 to 2018
Husqvarna FE 450 2017 to 2018
Husqvarna FS450 2017 to 2018
Husqvarna FX 450 2017 to 2018
KTM 250 EXC-F 2017 to 2018
KTM 250 SX-F 2016 to 2018
KTM 250 XC-F 2016 to 2018
KTM 350 EXC-F 2017 to 2019
KTM 350 SX-F 2016 to 2018
KTM 350 XC-F 2016 to 2018
KTM 450 EXC-F 2017 to 2018
KTM 450 SX-F 2016 to 2018
KTM 450 XC-F 2016 to 2018