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 : 83746 XA6167 CA11257 AF11257 AF1488 PA8164 A36167 49746, Kit Includes: 5x Air Filter, Kit Variations: K57-100294 K57-100595 K57-100884 K57-101506 K57-101886 K57-102266 K57-102646 K57-103026 K57-103406 K57-103786 KFL-100015 KFL-100682 KFL-101276 KFL-101849 KFL-102347 KFL-102906, Part Reference Numbers : 83746 XA6167 CA11257 AF11257 AF1488 PA8164 A36167 49746