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 : 543270 XA10483 CA12052 AF12052 AF1719 PA99115 A39150 WA10394, Kit Includes: 8x Air Filter, Kit Variations: K57-100277 K57-100402 K57-100698 K57-100985 K57-101565 K57-101945 K57-102325 K57-102705 K57-103465 K57-103845 KFL-100302 KFL-100451 KFL-101108 KFL-101735 KFL-102457 KFL-103016, Part Reference Numbers : 543270 XA10483 CA12052 AF12052 AF1719 PA99115 A39150 WA10394