These complete air cleaner assemblies not only provide a distinctive look but also provide outstanding performance features. Its uniquely designed back plate with air horn style radiused entryway and the dimpled cover with air directional cone on the inside, increases the airflow to a maximum. This air cleaner assembly comes complete with all necessary mounting hardware and chrome plated aluminum cover. Available to fit the stock CV carburetor on Evolution Big Twin 1993-1999, stock CV carburetor or cable throttle Delphi Fuel Injection on Twin Cam 1999-2017 and Evolution Sportster 1991 to present.