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 : 87385 87793 XA5323 CA8997 AF8997 AF1112 PA5323 A35323 42385 42793, Kit Includes: 10x Air Filter, Kit Variations: K57-100238 K57-100503 K57-100795 K57-101082 K57-101644 K57-102024 K57-102404 K57-102784 K57-103164 K57-103544, Part Reference Numbers : 87385 87793 XA5323 CA8997 AF8997 AF1112 PA5323 A35323 42385 42793