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 : 88930 XA6314 CA10261 AF10261 AF1326 PA6314 A56314 46930, Kit Includes: 6x Air Filter, Kit Variations: K57-100046 K57-100584 K57-100873 K57-101160 K57-101365 K57-101745 K57-102125 K57-102885 K57-103265 K57-103645, Part Reference Numbers : 88930 XA6314 CA10261 AF10261 AF1326 PA6314 A56314 46930