K&N Performance Air Intake System (57-3052) Audi S1 Four springs are included within

Four springs are included within the kit

The 2 stage design allows the car to operate normally without worry of stalling

Turbo charged engines often draw significant amounts of oil into the engine through the PCV system

quickly lowers the circuit resistance

- EBC Yellow Stuff (DP4032R)

K&N Performance Air Intake System (57-3052) Audi S1 Four springs are included withinA high density polyethylene (HDPE) rotationally molded tube helps increase the volume of airflow to your engine, and provides a guaranteed increase in horsepower and torque. These systems are paired with a washable, reusable High Flow Air Filter featuring oiled cotton filter media. The oversized, conical design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom heat shield helps protect