Flows better than stock or competing units in large part because of its unique internal Venturi design of the inner filter. Optimizes overall performance. High-flow K&N air filter element ensures the maximum air intake and protection. 4 styles available in black or chrome finishes. Slim profile keeps the unit away from the riders leg. The Cobra system consists of a laser-cut, formed steel cover, separate mounting ring, and all the fasteners, seals, backing plate and mounting hardware for easy installation. Formed stainless steel mesh insert. Made in USa.