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njweatherman · 11-21-2018, 01:20 PM

My 2018 came with the dual NPP exhaust. Too quiet for me. I bought the flowmaster american thunder 817746 system. So far, so good.

Did you eliminate your NPP functionality all together? When you have time, please post a picture. Thanks!

11-21-2018, 01:20 PM	#2
njweatherman Drives: 2018 Camaro 2SS, redline edition Join Date: Jun 2013 Location: Hackettstown, NJ Posts: 209	My 2018 came with the dual NPP exhaust. Too quiet for me. I bought the flowmaster american thunder 817746 system. So far, so good. Did you eliminate your NPP functionality all together? When you have time, please post a picture. Thanks!