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 : 88653 XA5497 CA9459 AF9459 AF1144 PA5497 A45497 46653, Kit Includes: 12x Air Filter, Kit Variations: K57-100050 K57-100502 K57-100794 K57-101081 K57-101488 K57-101868 K57-102628 K57-103008 K57-103388 K57-103768 KFL-100238 KFL-100538 KFL-101200 KFL-101467 KFL-102316 KFL-102875, Part Reference Numbers : 88653 XA5497 CA9459 AF9459 AF1144 PA5497 A45497 46653