AlfaTex

I know this has been discussed before but I can't find a comparison. I know both increase power but I'm looking for how they do it. I had heard (don't know where) that the PBox just increases the rail preasure where as a remap addresses the entire induction system. I am looking to do something very soon and I would like some information so I can make a decision.

Also, is Red Dot still around? I have sent emails and called but got no answer.

Thanks.