Yeah, I replaced the stock one with a group N and it firmed up the driveline nicely. So easy to do on my car, but had a bitch of a time on Darin's wagon at the time.
I did mask up the stock one and fill the voids with 78 durromoter urathane, but no use for it after that.
Glad to hear your noise is gone.
Patience is the ability to idle your motor when you feel like stripping your gears