That's great to hear, Can!  I look forward to your full review.  After all, it was your experience / liking of Cargraphic that ultimately influenced me to go with a Cargraphic exhaust for my 2009 Turbo Cab.  The sound is great (especially at high RPM), and it seems to be getting even better as it breaks in (now with about 400 miles post installation).  An ECU flash is next on my list, but I have been torn between EVOMS or GIAC.  Looking forward to your feedback!