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 rider's 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 U.S.A.