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 : 83186 XA5596 CA10085 AF10085 AF1324 PA5596 A25596 49186, Kit Includes: 6x Air Filter, Kit Variations: K57-100145 K57-100359 K57-100658 K57-100945 K57-101278 K57-101658 K57-102038 K57-102798 K57-103178 K57-103558, Part Reference Numbers : 83186 XA5596 CA10085 AF10085 AF1324 PA5596 A25596 49186