So here's the details, mounted at 8 am this morning, was rolling back out of the shop at 8:31 am!
I won't keep you waiting for my 1st impression: they are very quiet. I have owned a 13SS and the C7 NPP Vette so I knew not to expect V8 growl, but these are still very quiet. Not even worth attaching a wav file, at startup they are nearly identical to stock, but do have a nice additional growl when you step on it. Absolutely no drone at interstate speed. I'm satisfied but might go back and drop the resonator later on to add more voice to the system. For the $900 or so I would say most enthusiasts won't be satisfied with this GM system.
They do look nicer (bigger) than the stock setup due to thinner wall and clean depth of tip:
But if you do get them, or want any exhaust work done in S Fla, I highly recommend Mad Hatter Mufflers in Pompano Beach, Steve does great work, let's you watch, and explains everything. This is the 3rd car he's done for me....
I'll report back after I put some miles on it...
Update: see my post 15 below.....