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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
2014 Yamaha YZ250F
2014 Yamaha YZ450F
2015 Yamaha WR250F
2015 Yamaha YZ250F
2015 Yamaha YZ250FX
2015 Yamaha YZ450F
2016 Yamaha WR250F
2016 Yamaha WR450F
2016 Yamaha YZ250F
2016 Yamaha YZ250FX
2016 Yamaha YZ450F
2017 Yamaha WR250F
2017 Yamaha WR450F
2017 Yamaha YZ250F
2017 Yamaha YZ250FX
2017 Yamaha YZ450F
2017 Yamaha YZ450FX
2018 Yamaha WR250F
2018 Yamaha WR450F
2018 Yamaha YZ250F
2018 Yamaha YZ250FX
2018 Yamaha YZ450FX
2019 Yamaha YZ250FX