Flows better than stock or competing units in large part because of it's 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 rider's leg The Cobra system consists of a laser cut formed steel cover, seperate mounting ring, and all the fasteners, seals, backing plate and mounting hardware for easy installation. Formed stainless steel mesh insert Made in the USA