Genuine OEM Audi Charge Air Pressure Hose, part number 4M0145709P. This hose is a crucial component in turbocharged engines, designed to transport pressurized air from the turbocharger outlet to the intercooler or intake system. It is located within the engine bay, connecting the turbocharger to the charge air cooling system. Weighing 0.298 kg, this hose measures approximately 21 cm in length. Using a genuine OEM charge air hose ensures it can withstand high pressures and temperatures, preventing boost leaks and maintaining optimal engine performance and efficiency.