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 : 83310 XA5786 CA10677 AF10677 AF1414 PA5786 A25786 49310, Kit Includes: 10x Air Filter, Kit Variations: K57-100112 K57-100417 K57-100713 K57-101000 K57-101684 K57-102064 K57-102444 K57-102824 K57-103204 K57-103584, Part Reference Numbers : 83310 XA5786 CA10677 AF10677 AF1414 PA5786 A25786 49310