Increase performance and add style to the engine. Features a performance filter with a pleated top to take in air from the sides and top of the filter for maximum airflow. Carbon fiber filter cover and CNC-machined aluminum spacers and clamps. Performance air filter is made from high-flow black pre-oiled cotton media. Increased filter height specially designed to increase airflow without reducing leg room. Over 50% more air filter surface area than paper filters found in factory oval air cleaners. Kit Includes:. One performance filter. One billet air cleaner cover. All necessary hardware. For factory oval H-D air cleaners..