Chrome plated finish. The CNC machined billet aluminum Super Gas Interchange has an open filter design allowing maximum airflow the engine through a high quality K&N filter element. Comes with built-in crank breathers, stainless wire mesh screen and chrome hardware. - CNC machined billet aluminum construction - Open design for maximum flow - High air flow for stock and high output engines - High Performance pre-oiled K&N filter element - Stainless wire mesh - Decreased assembly length for better knee clearance - Built-in crankcase breathers for clean looks - Complete with installation hardware - Optional pull over rain sock available as 953604