Bully Dog 53108 Rapid Flow Intake System (Non-CARB Compliant) Precision designed and tested for optimal cold air flow and decreased air turbulence Designed to pull air from cold air sources within the engine bay. Increased cold air is then fed to the engine, which in turn increases power Gives your engine bay a nice, sleek, custom finish Includes pre-oiled filter that is cleanable and reusable Quick and easy install achieved by snap on parts and easily assembled fittings