Exposed filter design offers enhanced airflowBacking plate promotes smooth airflow into carb/throttle bodyBuilt-in internal crankcase breathersContrast Cut™ finish starts with a polished turbine air cleaner faceplate that has been black anodized, then recut to open up the designBlack Ops™, RSD's newest finish option, is perhaps the toughest yet, featuring gloss black on top of a contrasting textured black finishHigh-volume K&N air filterLaser-engraved center nose coneAll mounting hardware includedMade in the U.S.A.