Genuine OEM Audi Recirculation Air Pipe, part number 8X0145693. This pipe is an integral part of the turbocharger system, responsible for channeling air, often for recirculation or bypass functions, to maintain optimal boost pressure and engine efficiency. It connects directly to the turbocharger assembly. Weighing approximately 0.5 kg, this pipe is constructed from durable, heat-resistant materials designed to withstand engine bay temperatures and pressures. Using a genuine OEM recirculation air pipe ensures correct routing geometry, secure connections, and material integrity for reliable turbo system performance.