I wouldn't be consurned with the numbers as long as they are making the final numbers better then the starting numbers is where I'd care about
Now that shop you may not want to bring business to if you know they are doing this and may have a problem with Ford's,Ecoboost or just a Taurus putting out certain numbers if for whatever reason they are purposely not tuning your engine to it's full safe potential they know how to do.
Sent from my Pixel 2 XL using Tapatalk