Exhaust Valve - fully open?

[willh92]

All,

Just wondering at which RPM does the exhaust butterfly valves open fully and in which driver modes?

Apologies if already been asked but couldn't find in the search.

Cheers,
Will.

 

[Masonz31]

Sorry for digging up an old thread but does anyone know the answer to this? I couldn't find anything on the search