[stephen1070]

If he’s stock then prairie dawg has stock heat exchangers so he’s looking for a ‘one in’ - back box setup.

Has anyone ever seen / heard this scart in action:

https://scart.com/en/porsche/911-3-2l-1984-1989/muffler-with-valves-on-off-switch-included/92-110

Regards
Steve