The 034Motorsport Carbon Fiber Intake Duct for the B9 Audi S4/S5 is the perfect companion to the 034Motorsport X34 Carbon Fiber Cold Air Intake System or can be used with most aftermarket intakes that utilize the OEM air duct. Beautifully crafted in carbon fiber, this Intake Duct bolts in to the factory location with 034Motorsport's traditional OEM+ fit and finish.