What he ^^ said, it isn't 380HP, I would of thought the injectors are overkill as well personally, usually for what you have you'd have 803's or the now equivilant Siemens 55LB.

But as said anyway it's not simply just a case of upping the boost as you will require a re map etc and vitally if you already haven't done so a rewire of the fuel pump and cooling fans or a power check under load on the former at the minimum, these are two major weak points!

Martin