Im also having the clicking sound problem coming out of the rear. I don't know is it the rear axles or not. This sound started to occur after the recent track day.
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At first, I thought It was some loosen nuts, LSD, or sway bars knocking exhaust parts. All those things turned out to be fine after having mechanics to look up.
Please let me know if this is the sound indicating axle going bad or not ?
Thx guys