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Old 07-17-2019, 05:59 AM   #5
mrgoodbytes
 
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Drives: '18 2SS/EU (+Recaros) M6 Red Hot
Join Date: Nov 2018
Location: Sweden
Posts: 260
Quote:
Originally Posted by Camaro_QC View Post
Probably some thermal expansion/contraction.

This.


It is the exhaust/cats cooling off. Makes some loud banging noises underneath my car after turning it off.
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