Elevate your riding experience with this patented masterpiece that seamlessly combines iconic aesthetics and cutting-edge engineering. Billet aluminum backing plate comes equipped with a concealed integrated breather recirculation system. Outer cover made from durable LEXAN adds an extra layer of sophistication. Delivers an impressive ~8HP power boost over stock. Includes mounting hardware and 1 rain sock. High-flow air filter is reusable; just clean and re-oil. Dyno-developed and rigorously tested. Made in the USA. Recirculates head pressure back into the throttle body, aligning with the stock Harley-Davidson air cleaner setup. For those seeking to vent the head pressure externally, our external breather kit is also available for purchase..