RKX 3.0T Silicone Throttle Body Inlet Hose S4 S5 Zexel Will not fit supercharged engine

Will not fit supercharged engine

#5 PCV valve

06H 103 121F

Proper diagnosis is required

RKX 3.0T Silicone Throttle Body Inlet Hose S4 S5 Zexel Will not fit supercharged engineRKX 3. 0T SILICONE THROTTLE BODY INLET HOSE The RKX Hose is crafted out of durable nylon reinforced silicone. It features a completely smooth air path for increased airflow. The RKX hose by itself will also give a mild increase in supercharger whine. Advantages of the RKX inlet hose: Simple elegant design No permanent modifications Keep factory airbox with superior heat rejection Easy install and easy to return to stock for dealer visits! (avoid TD1!)