FYI Xtremeboost is coming out with another turbo kit very soon. They will allow for a custom option or two. Check out the Evolution M forums. Not sure how it compares to the RRM Turbo because there aren't any numbers up yet. But supposedly it's going to be mid $3000s, so it is a slightly more affordable option to those strapped for cash.
Ah. Missed the part where he said he got it from that forum. Thought it was a different turbo development.