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 : 83058 XA5780 CA10344 AF10344 AF1380 PA5780 A45780 49058, Kit Includes: 7x Air Filter, Kit Variations: K57-100316 K57-100508 K57-100800 K57-101087 K57-101217 K57-101597 K57-101977 K57-102357 K57-102737 K57-103497 KFL-100183 KFL-100817 KFL-101195 KFL-101805 KFL-101944 KFL-102503, Part Reference Numbers : 83058 XA5780 CA10344 AF10344 AF1380 PA5780 A45780 49058