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 : 83740 XA6198 CA10762 AF10762 AF1543 PA6198 A16198 49740, Kit Includes: 9x Air Filter, Kit Variations: K57-100288 K57-100467 K57-100762 K57-101049 K57-101405 K57-101785 K57-102165 K57-102545 K57-102925 K57-103305, Part Reference Numbers : 83740 XA6198 CA10762 AF10762 AF1543 PA6198 A16198 49740