While I don't disagree that Trifecta may have given slow responses a couple of years ago. They were adapting their business model and needed time to figure a few things out. I have experienced 12-24 hr response times over the past 6 months. The tunes for the Sonic and Cruze have been remedied and are as good or better than Jerry's tunes. Trifecta is digging into the new program architecture that GM is now providing and refining as time progresses.
14 Sonic LT 1.8A MBM
14 Sonic LT 1.8A MBM