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 : 83301 XA6062 CA10604 AF10604 AF1408 PA6062 A16062 49301, Kit Includes: 4x Air Filter, Kit Variations: K57-100321 K57-100577 K57-101153 K57-101504 K57-101884 K57-102264 K57-102644 K57-103024 K57-103404 K57-103784 KFL-101869 KFL-102343 KFL-102902 KFL-103090 KFL-103269 KFL-103448, Part Reference Numbers : 83301 XA6062 CA10604 AF10604 AF1408 PA6062 A16062 49301