The only difference in a current Ford Mustang between making the in-dash vacuum gauge work for boost too is a boolean flag. So if you drop a supercharger on you

The only difference in a current Ford Mustang between making the in-dash vacuum gauge work for boost too is a boolean flag. So if you drop a supercharger on your N/A GT model, you can have your MAP sensor register in the dash as if the supercharger is OEM.