GTM Turn key or tuner kit... difference?

Originally Posted by Baer383

Actually I just installed a GTM SC stage 1.5 and have Sam's uprev tune and put it on the dyno when my guy looked at it he said it was so close that he didn't want to mess with it,plus Sam's tunes are a little conservative so as to leave a little room to work with it,my car runs like stock but with a ton more power,so if you were to get another tune from someone else yeah you will probably need to get it retuned but don't forget Sam is the best in the business so his tunes are good.
After you install his TT or SC you log some data with your laptop and email him the info and if it needs to be changed he will adjust it and send you a new tune he also adjusted the line pressure in mine since it is a automatic.