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 : 524498 SEE XA10426 CA11942 AF11942 AF1709 PA99072 TA38195 A38195 WA10127, Kit Includes: 9x Air Filter, Kit Variations: K57-100193 K57-100331 K57-100630 K57-100917 K57-101335 K57-101715 K57-102095 K57-102475 K57-102855 K57-103235, Part Reference Numbers : 524498 SEE XA10426 CA11942 AF11942 AF1709 PA99072 TA38195 A38195 WA10127