Genuine OEM Audi Exhaust Pressure Line, part number 2Q0253574C. This line is a vital component within the vehicle's exhaust and emissions system, designed to transmit pressure signals to relevant sensors or control units. It is typically found connected to the exhaust system, often near the catalytic converter or diesel particulate filter. Weighing approximately 0.103 kg and measuring 0.445 meters in length, this line is constructed from durable materials to withstand high temperatures and corrosive exhaust gases. Genuine OEM lines ensure correct routing geometry and material resistance for long-term reliability in demanding exhaust environments.