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Old 09-29-2019, 09:41 AM   #7
Vigilante375

 
Drives: 2018 Camaro ZL1
Join Date: Aug 2018
Location: Georgia
Posts: 1,370
You probably have a lot of carbon buildup in the exhaust like me and probably every other DI Camaro.

I noticed black smoke coming out the back of my car when I romp on it after a day of easy driving. My car is 100% stock.
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