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 : 83048 XA6183 CA11109 AF11109 AF1558 PA6184 A16183 49048, Kit Includes: 8x Air Filter, Kit Variations: K57-100057 K57-100499 K57-100791 K57-101078 K57-101508 K57-101888 K57-102268 K57-102648 K57-103408 K57-103788 KFL-100016 KFL-100730 KFL-101198 KFL-101528 KFL-102350 KFL-102909, Part Reference Numbers : 83048 XA6183 CA11109 AF11109 AF1558 PA6184 A16183 49048