Its a question that has been asked 100 times...and i am guessing the poor response is becuase some are fed up with answering it.
A mk2 golf one will not fit
A mk3 golf one will not fit
I believe this is due to the bulk head being in the way.
There are some TSR ones around which a few members on here have but they are as rare as anything.
There was a company that came on here a while back and said they would make them but would need money down from a number of people first but its never happened. When ever its mentioned a long list of people shout up but know one delivers.