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 : 83604 95261 XA6140 CA10997 AF10997 AF1486 PA6140 A26140 A38190 49604 WA10261, Kit Includes: 2x Air Filter, Kit Variations: K57-100534 K57-100826 K57-101113 K57-101350 K57-101730 K57-102110 K57-102490 K57-102870 K57-103250 K57-103630, Part Reference Numbers : 83604 95261 XA6140 CA10997 AF10997 AF1486 PA6140 A26140 A38190 49604 WA10261