OK, I'm sorry' my mistake just had a quick look to video and not going into details, shame on me, a big one....
At least i know that 991.2 turbo had no option of PES for sure, no discussion about that .
Will reply to this thread when i will find out how it is done on mine from a round selector switch is controlled from a Sport+
with aftermarket exhaust with valves. The car I recently got but had no opportunity even look properly and drive ...
sorry again about that, shame on me getting no patient ...

 

Well, it might not be a mistake, it's just an unknowqn on the turbo at this point. I have never seen it done on a turbo, that's all.

 

So,, as I thought that it has to be possible - got reprogrammed START/STOP button for PSE - exaust valves ON/OFF. Just need to change (maybe() start stop plastic button cover to the pse.
And of course i could go for a new console from 991.2 Carrera which had sport exaust from a factory, but as I hate start stop so it was fror me to go easier and even
sheaper way