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 : 88803 XA5499 CA9481 AF9481 AF1159 PA5499 A25499 46803, Kit Includes: 2x Air Filter, Kit Variations: K57-100442 K57-100738 K57-101025 K57-101406 K57-101786 K57-102166 K57-102546 K57-102926 K57-103306 K57-103686 KFL-100280 KFL-100779 KFL-101257 KFL-101682 KFL-102201 KFL-102760, Part Reference Numbers : 88803 XA5499 CA9481 AF9481 AF1159 PA5499 A25499 46803