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 : 88975 XA5568 CA9895 AF9895 AF1273 PA5568 A45568 46975, Kit Includes: 5x Air Filter, Kit Variations: K57-100056 K57-100512 K57-100804 K57-101313 K57-101693 K57-102073 K57-102453 K57-102833 K57-103213 K57-103593 KFL-100141 KFL-100663 KFL-101055 KFL-101432 KFL-102062 KFL-102621, Part Reference Numbers : 88975 XA5568 CA9895 AF9895 AF1273 PA5568 A45568 46975