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 : 83052 XA5602 CA10084 AF10084 AF1304 PA5602 A35602 49052, Kit Includes: 8x Air Filter, Kit Variations: K57-100080 K57-100522 K57-100814 K57-101101 K57-101434 K57-101814 K57-102194 K57-102574 K57-103334 K57-103714, Part Reference Numbers : 83052 XA5602 CA10084 AF10084 AF1304 PA5602 A35602 49052