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 : 97035 WA10952, Kit Includes: 10x Air Filter, Kit Variations: K57-101893 K57-102273 K57-102653 K57-103033 K57-103413 K57-103793 K57-103916 K57-104009 K57-104102 K57-104195, Part Reference Numbers : 97035 WA10952