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 : 83225 XA5669 CA10234 AF10234 AF1379 PA5669 A15669 49225, Kit Includes: 2x Air Filter, Kit Variations: K57-100501 K57-100793 K57-101080 K57-101319 K57-101699 K57-102079 K57-102459 K57-102839 K57-103219 K57-103599, Part Reference Numbers : 83225 XA5669 CA10234 AF10234 AF1379 PA5669 A15669 49225