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 : 87752 XA5587 CA10064 AF10064 AF1264 PA5587 A25587 42752, Kit Includes: 9x Air Filter, Kit Variations: K57-100250 K57-100597 K57-100886 K57-101173 K57-101404 K57-101784 K57-102164 K57-102544 K57-102924 K57-103304, Part Reference Numbers : 87752 XA5587 CA10064 AF10064 AF1264 PA5587 A25587 42752