the people that design this stuff know what they're doing, the stock manifold still works well at over double it's original power, and is debatable whether even the performance designs work better, but it's all good anyone can hack it up and improve it?
it seems that the people against it only have proof in what has been seen in the past so have no interest in experimenting with it
so far the argument for it is it's going to be boosting hard so doesn't matter?
i'm surprised there's even people still talking about wanting to do it, refer the pros & cons list earlier in the thread