Here is a list of stuff Ive had in my truck
Superchips (1 months)
Ts Performance instigator 135 (3 months)
Edge ( 2 months)( bkew trans #1)
Diablo ( 1 week)
Bully dog (2-3 weeks)
Ts performance 135 with superchips stacked( dont ask)( 1 week)(blew trans #2)
Ts performance 135 stack with bullydog ( another dont ask, just having a little fun) (1 month)
And now SCT( over a year) this is the best damn thing out there. Ive had tunes from a few out there and recomend using this.$.02
NEED I SAY MORE