Genuine OEM Volkswagen Exhaust Pressure Pipe, part number 4M0131205AQ. This pipe plays a critical role in the exhaust system, often used to measure exhaust gas pressure for emission control and engine management. It connects to specific points within the exhaust stream, such as before or after a catalytic converter or DPF. Weighing approximately 0.087 kg, this precisely formed metal pipe ensures accurate pressure transmission. Opting for a genuine OEM pressure pipe guarantees the correct material, dimensions, and resistance to exhaust gases for reliable sensor operation and emission system performance.