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 : 83114 XA5582 CA10094 AF10094 AF1296 PA5582 A25582 49114, Kit Includes: 11x Air Filter, Kit Variations: K57-100244 K57-100448 K57-100744 K57-101031 K57-101256 K57-102016 K57-102396 K57-102776 K57-103156 K57-103536, Part Reference Numbers : 83114 XA5582 CA10094 AF10094 AF1296 PA5582 A25582 49114