1. Ride Height is typically determined by springs. You should not see any notable increase in the ride height with B6 shocks alone.
2. The B6 is considered a sport shock. There will be an increase but nothing that should hold you back.
I haven’t tried them with stock springs, but based on experience with the B8’s which have the same valving, the B6’s should actually be more comfortable than the stock units. They may be marketed as a sport damper but are pretty tame all things considered. Also look at the Koni special actives if you are keeping the stock springs.
To follow up
Installed rears last year, it did raise it up about 5mm and stayed up.
Installed front over the weekend and it raised also. Now level.
Ride is firmer but I feel less road imperfections
Looks and drives great! Very pleased.