ACDelco Professional, premium aftermarket Turbocharger Hoses are specially compounded for use as short, flexible connectors between the air intake and the turbocharger. They can also be used for turbocharger air discharge. ACDelco Professional Turbocharger Hoses are temperature rated from -60 degrees Fahrenheit to 500 degrees Fahrenheit (-51 degrees Celsius to 260 degrees Celsius) and are approved for Marine applications.