Flows better than stock or competing units in large part because of Cobra's unique internal venturi design of the filter. Optimizes overall performance. High-flow K&N® Air Filter element ensures the maximum air intake and protection. Slim profile keeps the unit away from the rider's leg. 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 the U.S.A.