Genuine OEM Audi Emissions Connecting Pipe, part number 038131521Q. This pipe is a vital component within the vehicle's exhaust gas recirculation (EGR) system, designed to connect various parts of the emissions control assembly. It facilitates the flow of exhaust gases for re-processing, helping to reduce harmful emissions. The pipe is constructed from durable metal, capable of withstanding high temperatures and corrosive exhaust gases, and measures approximately 0.174m in length. Using a genuine OEM connecting pipe ensures precise fitment, proper sealing, and long-term durability within the demanding emissions system.