Genuine OEM Audi Boost Air Hose, part number 0P2145681J. This hose is a critical component in the engine's air intake system, responsible for directing pressurized air from the turbocharger to the intercooler or intake manifold. It is designed to withstand high temperatures and pressures. Constructed from durable, heat-resistant rubber or silicone. Genuine OEM parts ensure exact fitment and optimal airflow for peak engine performance and longevity.