The Power Flow Kit - KTM/Husqvarna/Gas Gas SXF/FC/FX 250-450 2019-2022, EXC-F/FE 250-450 2019-2023, MC-F/EC-F/EX-F 2021-2023 is part of the latest collection from Twin Air. . 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. . Features: . Combines a larger Twin Air filter with a tough, ultra-lightweight flange that bolts tightly onto the airbox to eliminate leaks and provide more air for more power . Each kit contains necessary mounting hardware, Twin Air dual-stage filter, billet flanges and/or wire cage . Filter is easy to remove for cleaning and maintenance . Manufacturer part number: 154222C .