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 : 83116 XA5698 CA10159 AF10159 AF1305 PA5698 A25698 49116, Kit Includes: 12x Air Filter, Kit Variations: K57-100223 K57-100450 K57-100746 K57-101033 K57-101483 K57-101863 K57-102623 K57-103003 K57-103383 K57-103763 KFL-100258 KFL-100635 KFL-101301 KFL-101698 KFL-102310 KFL-102869, Part Reference Numbers : 83116 XA5698 CA10159 AF10159 AF1305 PA5698 A25698 49116