I am so in. I'm almost certain I've got a stock dump. And when I first laid eyes on a stock vs aftermarket dump pipe (not sr, but nonetheless) I thought of my car and was like "Daymn I bet mines got a strangled throat on it!"
Given GTi-R's have smaller engine bays and AWD I don't see why any U12, be they FWD or AWD, have major issues with these dump and front pipes...
I'll look over this thread in more detail (i only noticed it now) tonight, didn't notice it 'til now:(