Corvette High Flow Power Duct Carbon Fiber with C5 Logo : C5 Duct with Black Coupler Made of 100% real Carbon Fiber. High Gloss Clear Coat Finish. Connects between the mass air sensor & throttle body. Replaces the restrictive stock unit. Simple bolt on. Included is a complinentary C5 emblem and a Black silicone coupler. Note: Drilling may be required.