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 : 83640 XA6144 CA9894 AF9894 AF1547 PA6144 A26144 49640, Kit Includes: 8x Air Filter, Kit Variations: K57-100308 K57-100547 K57-100838 K57-101125 K57-101511 K57-101891 K57-102271 K57-102651 K57-103411 K57-103791 KFL-100012 KFL-100634 KFL-101279 KFL-101443 KFL-102354 KFL-102913, Part Reference Numbers : 83640 XA6144 CA9894 AF9894 AF1547 PA6144 A26144 49640