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 : 93917 XA10501 CA12087 AF718J AF1731 TA41460 A41460 WA10423, Kit Includes: 5x Air Filter, Kit Variations: K57-101566 K57-101946 K57-102326 K57-102706 K57-103086 K57-103466 K57-103846 K57-103940 K57-104033 K57-104219 KFL-101834 KFL-102458 KFL-103017 KFL-103208 KFL-103387 KFL-103566, Part Reference Numbers : 93917 XA10501 CA12087 AF718J AF1731 TA41460 A41460 WA10423