Genuine OEM Volkswagen Pressure Pipe, part number 4M0145762D. This pipe is designed to convey pressurized fluid or air within the engine system, connecting various components of the turbocharger and intercooler assembly. It is located at position 4 in the diagram. The pipe is made of metal. Genuine OEM pipes are manufactured to exact tolerances, ensuring proper fitment and resistance to the high pressures and temperatures found in the intake system.