Exposed filter design that enhances airflowBacking plate promotes smooth airflow into carburetor/throttle bodyBuilt-in internal crankcase breathersContrast Cut™ finish starts with a polished venturi air cleaner faceplate that has been black anodized, then recut to open up the designPlatinum Cut uses the same process as the Contrast Cut™, but the recut areas are hand polished to a brilliant shineBlack Ops™, RSD's newest finish, features gloss black on top of contrasting textured black for outstanding durability and good looksIncludes high-volume air filterAll mounting hardware includedMade in the U.S.A.