Apologies if this isn't the right place for this thead.

I've got a B6 A4 1.9 TDI Sport and what to run a twin exhaust (one on each side like the petrol versions). I was looking at sourcing a complete exhaust from a breakers but am not sure if the exhaust internals differ with pertols and desiels. Or if there's any reason that this isn't possible. If not then a direct swap would be good.

Any help or ideas with this would be greatly appreciated.