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 : 93868 XA10496 CA12051 AF12051 PA99117 A29151 WA10416, Kit Includes: 6x Air Filter, Kit Variations: K57-100098 K57-100367 K57-100666 K57-100953 K57-101352 K57-101732 K57-102112 K57-102872 K57-103252 K57-103632, Part Reference Numbers : 93868 XA10496 CA12051 AF12051 PA99117 A29151 WA10416