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 : 83056 XA5796 CA10464 AF10464 AF1395 PA5796 AF5796 49056, Kit Includes: 11x Air Filter, Kit Variations: K57-100082 K57-100342 K57-100641 K57-100928 K57-101509 K57-102269 K57-102649 K57-103029 K57-103409 K57-103789, Part Reference Numbers : 83056 XA5796 CA10464 AF10464 AF1395 PA5796 AF5796 49056