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 : 83244 XA6169 CA11049 AF11049 AF1542 PA6169 A26169 49244, Kit Includes: 6x Air Filter, Kit Variations: K57-100069 K57-100587 K57-100876 K57-101163 K57-101427 K57-101807 K57-102187 K57-102947 K57-103327 K57-103707, Part Reference Numbers : 83244 XA6169 CA11049 AF11049 AF1542 PA6169 A26169 49244