Yes, they replaced it with the OEM cats. They then reset everything. It still came back on no matter what. Last week, the light disappeared and then I quickly got it inspected. The next day, the light came back on for the code.
I have 2009 Jeep JK. I have had the same issue. First I had P0420 which is a catayler converter Bank 1 so I had that replaced and the shop put on a new one on the wrong side. I had no idea as I drove away and the code came back on right away. I called the shop and explained. I bought it back...