Buy OEM Audi Part # 0P2145681J (0P2-145-681-J, 0P2145681F). Intercooler Pipe (Front, Rear, Upper). 4.0 LITER, PIPES AND HOSES. Turbocharger Intercooler Tube - Repair or Replace If your

A pipe that transfers compressed air to from the turbo or super charger to the intercooler.

Turbocharger Intercooler Pipe

Fits RSQ8, SQ7, SQ8

4.0 LITER, PIPES AND HOSES.
Turbocharger Intercooler Tube - Repair or Replace
If your Audi is equipped with a turbo and you've noticed a reduction in acceleration or a hissing on acceleration accompanying your check engine light, your intercooler or its piping/tubes may need to be repaired or replaced.