Just changed my extractor and downpipe(plue the flex joint) about 2 months ago.
So I have the original GTI parts you're looking for, but your offer price is a bit too low.
PM me with an offer and let's see if we can make a deal ;-)
Ive got a used Apexi Oil Cooler which was on my R34 GTR for sale. In very good condition and comes with all hoses and everything necessary to connect to the R34 GTR's RB26. Im not sure about the 33 and...