Genuine OEM Audi Emissions Connecting Pipe, part number 03L131521AH. This pipe is crucial for connecting various components within the vehicle's emissions control system, facilitating the flow of exhaust gases. It is a metal pipe, weighing 0.651 kg and measuring approximately 0.495 m in length. Using a genuine OEM pipe ensures precise fitment and material integrity, which is vital for maintaining the efficiency and compliance of the emissions system.