Originally Posted by Stu @ M Developments
its just like you have pulled the pipe off of it,
In fact it is MUCH worse and allows far more boost than if the pipe was simply pulled off.

Oh, now this one we could have a discussion on, lol
Cause arguabley you are correct, in terms of the life of the engine.
But in terms of overspooling the turbo (due to leaking air from the pipe thats come off with no resistance), its actually not as bad, so it depends what you care more about, your turbo or engine