Let's not get into a pissing match.
Kenny made a very valid point about the differences between GM engines from the factory and their power output difference between like vehicles. My Formula, bone stock, made 314 while the "norm" for that year was 280-290.
Also, Brian did a good job considering it was a narrowband street tune. Jason did have a dyno session scheduled at a place with an AWD dyno, but they backed out since they refused to let anyone else tune at their facility except them unless he coughed up a hefty fee.
IPS and DTM are both fine places to have your vehicle tuned, so let's keep it it clean and let the vehicle owners decide where and what.
Thank you.