It is best we stick to using the case we have, as both Apolo and myself will receive notifications when you message us.
We will respond from there.
To update for other users that may follow this.
There were a couple reasons for the mismatch in Pressure results.
Namely, once we used the same model between CFD and Test lab, and used the same conditions with an appropriate mesh, we were able to achieve much better correlation with the pressure results.