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 : 93085 XA10242 CA11895 AF11895 AF1710 PA8172 A58172 WA10085, Kit Includes: 6x Air Filter, Kit Variations: K57-100139 K57-100399 K57-100695 K57-100982 K57-101344 K57-101724 K57-102104 K57-102864 K57-103244 K57-103624, Part Reference Numbers : 93085 XA10242 CA11895 AF11895 AF1710 PA8172 A58172 WA10085