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 : 97042 XA11575 AF707J TA21497 A21497 WA10967, Kit Includes: 10x Air Filter, Kit Variations: K57-101734 K57-102114 K57-102494 K57-102874 K57-103254 K57-103634 K57-103861 K57-103954 K57-104047 K57-104140 KFL-101738 KFL-102130 KFL-102689 KFL-103174 KFL-103353 KFL-103532, Part Reference Numbers : 97042 XA11575 AF707J TA21497 A21497 WA10967