For those of you looking for a tuner, here is an older Predator, cheap.
He’s asking $180 shipped, I don’t know the guy other then he posted in the for sale section of Challengertalk.com
http://www.challengertalk.com/forums/f17/r-t-srt8-barely-used-fastman-ported-throttle-body-diablosport-predator-u7135-102470/