Keeps damaging particles from entering the engine and causing increased engine wear, Improves engine response time Protects the operational performance of your engine, Reduces ecological footprint through fuel economy, Boosts fuel economy by 6% to 11%, 98% Efficiency Against Rocks And Other Debris on the Road, Part Reference Numbers : 83498 XA5880 CA10626 AF10626 AF1422 PA5880 A35880 49498, Kit Includes: 2x Air Filter, Kit Variations: K57-100392 K57-100688 K57-100975 K57-101285 K57-101665 K57-102045 K57-102425 K57-102805 K57-103185 K57-103565, Part Reference Numbers : 83498 XA5880 CA10626 AF10626 AF1422 PA5880 A35880 49498