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 : 93125 XA10388 CA11952 AF11952 AF1687 PA9971 A39178 WA10125, Kit Includes: 8x Air Filter, Kit Variations: K57-100269 K57-100619 K57-100908 K57-101195 K57-101410 K57-101790 K57-102170 K57-102550 K57-103310 K57-103690, Part Reference Numbers : 93125 XA10388 CA11952 AF11952 AF1687 PA9971 A39178 WA10125