Genuine OEM Audi Exhaust Pressure Line, part number 6R0131552N. This line plays a crucial role in the vehicle's emissions control system by transmitting exhaust gas pressure to a differential pressure sensor. It is positioned within the exhaust system, typically connected to the catalytic converter or diesel particulate filter, to monitor pressure differences. Weighing 0.196 kg and measuring 0.4 m, this line is designed for specific routing and connection points. Using a genuine OEM line ensures the correct material and precise dimensions, which are vital for accurate pressure readings and the proper functioning of the emissions system.