Rear differential noise on decel

[STrip]

I have been having the same issue, sounds like a whiring noise on decel. I took off the jxb insert and the awr brace and I can’t hear it anymore. Is this just normal nvh amplified by the brace or something worth having checked. I also changed the fluid and it smelled like rotten eggs at 58k miles. I also wonder if the subframe lockout bushings add to the noise. Any help would be appreciated.


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Almost certain I have the same issue after installing JXB inserts. Going to be ordering a diff and replacing soon. Will follow up with results once I have it done, but will probably be a couple of weeks before I get to it.