The issue is not boost pressure, but tuning. Unless you are going to run separate stand alone electronics for fuel and spark, forget about it until someone comes out with a tuner that allows control of these elements in the DC ECU. Under virtually any boost you will break stuff if you get pre-ignition. This is virtually always the problem with parts failure.

If someone can get me into the ECU, I will do a supercharger project.....but not before I can make the car run right afterwords.