Syncro 4&4 Discussion and Q&A last answered over 2 years ago.
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Those were 2.1 or 1.9 petrol stainless exhausts.U are after a 1.6TD exhaust.Now firstly there are 2 tipes,one pre 1989 and the other post 1989
There are variouse dealers that do these(GSF,EURO and VW )As usual
vw is more expensive but much better quality.