Thread: Does my car have an exhaust mode?
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Old 08-19-2019, 08:46 AM   #10
overdriv
 
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Drives: 1969 Chevelle SS 2019 2SS Camaro
Join Date: Jul 2018
Location: IL
Posts: 246
NPP is the option code for dual mode exhaust.

MRC = Magnetic Ride Controll
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