I hope the 06s are supported soon, the 07s are out already and guys are starting to want tunes as once again the GM programming sucks badly and we need to tune them!!!
Plus, Im holding out hope for a 2Bar OS for the 02-05 I6 (eventually), so some progress is better than no progress at all for the LL8.
Ditto !
2005 1500 HD , Custom OS3 SD tune .
2006 Trailblazer Dinosaurs and Plants gave their lives so that we may drive , long live fossil fuel .