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 : 83461 XA5814 CA10676 AF10676 AF1443 PA5814 A65814 49461, Kit Includes: 8x Air Filter, Kit Variations: K57-100182 K57-100345 K57-100644 K57-100931 K57-101206 K57-101586 K57-101966 K57-102346 K57-103106 K57-103486, Part Reference Numbers : 83461 XA5814 CA10676 AF10676 AF1443 PA5814 A65814 49461