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 : 83250 XA6124 CA10881 AF10881 AF1434 PA6124 A36124 49250, Kit Includes: 5x Air Filter, Kit Variations: K57-100003 K57-100517 K57-100809 K57-101244 K57-101624 K57-102004 K57-102384 K57-102764 K57-103144 K57-103524, Part Reference Numbers : 83250 XA6124 CA10881 AF10881 AF1434 PA6124 A36124 49250