Mine dynoed 378rwhp stock with paper filter. It's a tought call between a centrifical gt and a roots cobra. Yes the cobra is heavier but the torque down low seems to help with the extra weight.
it's always interesting to see old threads to see how much you've learned if it's debatable tech. that & to see if you sounded like a moron when you were talking about it not necessarily in this case, but in most of them that's what i look for