Top most hose of the intercooler piping system, this elbow hose connects the upper intercooler pipe to the air regulatring flap/EGR on MkV Jetta TDI, BRM, 2005.5-2006. It has a clip fitting at the intercooler end and a clamp fitting at connection to the hard lower pipe.
The tabs on the clip fitting are a common wear item, causing boost leaks, especially in modified cars.