Exposed filter design that enhances airflowBacking plate promotes smooth airflow into carburetor/throttle bodyBuilt-in internal crank case breathersContrast Cut™ finish starts with a polished venturi air cleaner faceplate that has been black anodized then re-cut to open up the designPlatinum Cut™ uses the same process as the Contrast Cut™, but the re-cut areas are hand-polished to a brilliant shineNew Black Ops finish features a machined surface treated through a proprietary military spec process for strength and hardness, then further machined and anodized for a subtle yet striking black-on-black contrast that is scratch, weather and damage resistant; it's the ultimate low-maintenance finishIncludes high-volume air filterAll mounting hardware includedMade in the U.S.A.