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 : 88916 XA5700 CA10254 AF10254 AF1385 PA1022 A35700 46916, Kit Includes: 12x Air Filter, Kit Variations: K57-100085 K57-100463 K57-100759 K57-101046 K57-101359 K57-101739 K57-102499 K57-102879 K57-103259 K57-103639, Part Reference Numbers : 88916 XA5700 CA10254 AF10254 AF1385 PA1022 A35700 46916