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 : 83340 XA6132 CA11001 AF11001 AF1572 PA6132 A26132 49340, Kit Includes: 6x Air Filter, Kit Variations: K57-100236 K57-100523 K57-100815 K57-101102 K57-101291 K57-101671 K57-102051 K57-102811 K57-103191 K57-103571, Part Reference Numbers : 83340 XA6132 CA11001 AF11001 AF1572 PA6132 A26132 49340