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 : 93867 XA10486 CA12061 AF12061 AF1697 PA99178 A29152 WA10339, Kit Includes: 8x Air Filter, Kit Variations: K57-100315 K57-100370 K57-100669 K57-100956 K57-101493 K57-101873 K57-102253 K57-102633 K57-103393 K57-103773, Part Reference Numbers : 93867 XA10486 CA12061 AF12061 AF1697 PA99178 A29152 WA10339