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 : 83024 83530 CA10050 PA6317 49024, Kit Includes: 8x Air Filter, Kit Variations: K57-100005 K57-100520 K57-100812 K57-101099 K57-101308 K57-101688 K57-102068 K57-102448 K57-103208 K57-103588, Part Reference Numbers : 83024 83530 CA10050 PA6317 49024