CTS TURBO B9/B9.5 AUDI A4, A5, AllRoad, S4, S5, RS4, RS5 High-Flow Intake System

Description Our New Air Intake System for the B9/B9.5 Audi A4, Allroad, A5, S4, S5, RS4, and RS5 features a newly designed sealed Rotomolded airbox and air ram air scoop to efficiently direct the outside air into the intake system. Air flows through our high-flow 6″ velocity stack air filter before entering the engine through a smooth 3.5″ 5-ply silicone turbo inlet hose, helping reduce restriction while maintaining excellent fitment and durability. The enclosed Rotomolded airbox helps isolate the filter from engine bay heat while the CTS Turbo air scoop provides a direct supply of fresh air. All of the components included in the CTS Turbo intake system work together to provide increased horsepower and torque throughout the power band along with a more pronounced induction sound. Turbo spool-up and diverter valve release are also a bit more noticeable. This intake is designed to be efficient in operation, with only a slight increase in sound. Our intake has shown gains of 15HP on a stock vehicle, with tuned vehicles seeing even greater improvements.