Jeep decided to put a harmonic balancer on the end of the transfer case output for a reason. Any of us that had that option know it was a pain to remove when changing to a SYE. My guess is that Jeep engineers were trying to figure out a vibration, and the balancer was just enough to get it by...
I ordered a replacement window from them. Took 2 months. When it finally arrived, it was the wrong texture, and zipper was wrong. I won't go into details of how long it took to get that sorted out, but it went on for about 8 months.