MST Cold Air Intake For B9 Audi A4 1.4T & S4, S5, RS4, RS5 3.0T ls500 the JB4 includes many useful

the JB4 includes many useful racing features not found on any other system including user-adjustable boost by gear to improve traction off the line

*For the BMW N55 E-series JB4 platform connect the white wire to position #16 on the JB4 25 pin harness

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

throttle response

this high pressure fuel pump is fully compatible with E85 and other fuels

MST Cold Air Intake For B9 Audi A4 1.4T & S4, S5, RS4, RS5 3.0T ls500 the JB4 includes many usefulUnlock 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