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 : 93084 XA10318 CA11744 AF11744 AF1644 PA9937 A21351 WA10084, Kit Includes: 2x Air Filter, Kit Variations: K57-100337 K57-100636 K57-100923 K57-101378 K57-101758 K57-102138 K57-102518 K57-102898 K57-103278 K57-103658 KFL-100405 KFL-100781 KFL-101023 KFL-101433 KFL-102160 KFL-102719, Part Reference Numbers : 93084 XA10318 CA11744 AF11744 AF1644 PA9937 A21351 WA10084