POWERFLOW KIT YAM/FAN PRE-OIL YZ250F 19-23, YZ450F 18-22, WRF/YZFX250 20-23, WRF/YZFX450 19-23, XXF/XEF250 21-24 (R) PF KIT

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 Power Flow kit comes with a rigid, lightweight, billet aluminium cage that provides a tight seal to the airbox and replaces your flimsy plastic stock cage. Includes a Fire-resistant Twin Air Filter.