Genuine OEM Audi EGR Pipe, part number 07Z131521Q. This left-side pipe is an integral part of the exhaust gas recirculation (EGR) system, responsible for directing a portion of exhaust gases back into the engine's intake. This process helps reduce nitrogen oxide emissions. The pipe features specific bends and flanges for precise fitment within the emissions assembly. Weighing approximately 0.61 kg, it is constructed from durable, heat-resistant metal. Choosing a genuine OEM EGR pipe ensures correct routing, leak-free connections, and long-term reliability for effective emissions control.