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 : 83031 XA6171 CA11113 AF11113 AF1481 PA6171 A26171 49031, Kit Includes: 6x Air Filter, Kit Variations: K57-100178 K57-100436 K57-100732 K57-101019 K57-101227 K57-101607 K57-101987 K57-102747 K57-103127 K57-103507 KFL-100180 KFL-100818 KFL-101172 KFL-101776 KFL-101956 KFL-102515, Part Reference Numbers : 83031 XA6171 CA11113 AF11113 AF1481 PA6171 A26171 49031