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 : 83115 XA5603 CA10014 AF10014 AF1295 PA5603 A35603 49115, Kit Includes: 11x Air Filter, Kit Variations: K57-100218 K57-100527 K57-100819 K57-101106 K57-101197 K57-101957 K57-102337 K57-102717 K57-103097 K57-103477 KFL-100159 KFL-100774 KFL-101306 KFL-101478 KFL-101921 KFL-102480, Part Reference Numbers : 83115 XA5603 CA10014 AF10014 AF1295 PA5603 A35603 49115