POWERFLOW KIT YAMAHA YZ250F 14-18, YZ450F 14-17, WR250F 15-19, WR450F 16-18

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.