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 : 88322 90009C XA5398 CA9359 AF9359 AF1113 PA5398 A25398 46322, Kit Includes: 10x Air Filter, Kit Variations: K57-100017 K57-100570 K57-100859 K57-101146 K57-101820 K57-102200 K57-102580 K57-102960 K57-103340 K57-103720 KFL-100281 KFL-100741 KFL-101274 KFL-101411 KFL-102248 KFL-102807, Part Reference Numbers : 88322 90009C XA5398 CA9359 AF9359 AF1113 PA5398 A25398 46322