MST Cold Air Intake For B9 Audi A4 1.4T & S4, S5, RS4, RS5 3.0T ls500 The JB4 is compatible with

The JB4 is compatible with both C63 and C63S models and is not VIN locked so it can be moved to your next vehicle or resold

12mm+ is the smallest thickness spacer this vehicle may use in the rear

2020+ Toyota GR Supra with black BMS strut braces installed

Our design targets the removal of the need to send your fuel pump assembly in for modification

MST Cold Air Intake For B9 Audi A4 1.4T & S4, S5, RS4, RS5 3.0T ls500 The JB4 is compatible withUnlock more performance from your Audi with the MST Cold Air Intake System, designed for the B9 generation A4, S4, S5, RS4, and RS5. Engineered to optimize airflow, this intake allows your engine to breathe more efficiently, improving horsepower, torque, and throttle response while reducing turbo lag. With a sleek black finish and aggressive induction sound, its the perfect combination of style, durability, and performance. Features Delivers cold air