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 : 93894 XA10497 CA12089 AF720J AF1755 PA99105 A51358 WA10334, Kit Includes: 5x Air Filter, Kit Variations: K57-100313 K57-100611 K57-100899 K57-101572 K57-101952 K57-102332 K57-102712 K57-103092 K57-103472 K57-103852 KFL-100204 KFL-100816 KFL-101188 KFL-101796 KFL-102472 KFL-103031, Part Reference Numbers : 93894 XA10497 CA12089 AF720J AF1755 PA99105 A51358 WA10334