04-20 Sportster, (except 09-10 XR1200, 10-12 XR1200X)
Built around the legendary K&N high-flow air filter, this assembly includes an innovative powder-coated billet aluminum backplate that eliminates external breathers, and features a built-in, dyno-tuned velocity stack. The result is a significant airflow increase to the engine without sacrificing filtration. It retains a stock appearance by re-using the Original Equipment air cleaner cover, yet boasts superior filtration and performance with a K&N laser-etched beauty ring.