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 : 88887 XA5513 CA9603 AF9603 AF1220 PA5513 A35513 46887, Kit Includes: 6x Air Filter, Kit Variations: K57-100041 K57-100412 K57-100708 K57-100995 K57-101491 K57-101871 K57-102251 K57-103011 K57-103391 K57-103771 KFL-100269 KFL-100480 KFL-101209 KFL-101376 KFL-102325 KFL-102884, Part Reference Numbers : 88887 XA5513 CA9603 AF9603 AF1220 PA5513 A35513 46887