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 : 83610 XA5781 CA11010 AF11010 AF1463 PA6172 A26172 49610, Kit Includes: 2x Air Filter, Kit Variations: K57-100581 K57-100870 K57-101157 K57-101486 K57-101866 K57-102246 K57-102626 K57-103006 K57-103386 K57-103766 KFL-100197 KFL-100811 KFL-101168 KFL-101774 KFL-102313 KFL-102872, Part Reference Numbers : 83610 XA5781 CA11010 AF11010 AF1463 PA6172 A26172 49610