Originally Posted by jvf4
Check the intercooler. The one on my 2011 wrx split. I thought it was a vacuum line on mine as well.
Wouldn't I hear a whistling under the hood or something if that cracked?
EDIT: I suppose it is possible, but I'm only running 16psi on this tune...I don't feel that it is enough to crack it? I certainly could be wrong though.