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 : 83634 XA6313 CA10110 AF10110 AF1377 PA6313 A66313 49634, Kit Includes: 2x Air Filter, Kit Variations: K57-100468 K57-100763 K57-101050 K57-101432 K57-101812 K57-102192 K57-102572 K57-102952 K57-103332 K57-103712 KFL-100347 KFL-100653 KFL-101013 KFL-101762 KFL-102237 KFL-102796, Part Reference Numbers : 83634 XA6313 CA10110 AF10110 AF1377 PA6313 A66313 49634