Dyno-designed AirLoad backing plate reduces turbulence and increases air intake velocity, boosting horsepower and torque. Custom-made K&N® air filter provides increased airflow volume to the engine. Complete hardware kit and instructions included for easy installation. Round center-bolt design retains the stock round air cleaner cover. Exposes more of the engine and brings out its aggressive nature. Machined from 6061-T6 billet aluminum. New low-profile black air filter element. Made in the U.S.A..