Thread: Does anyone have the GM Exhaust system?
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Old 05-24-2013, 10:50 AM   #6
DuskSS
Bayou City Muscle Cars
 
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Drives: 2013 2SS Dusk Edition
Join Date: Jan 2013
Location: Houston Texas
Posts: 1,443
Have them put the new NPP/Dual Mode on instead.
youll love it.
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2013 2SS Dusk Edition
Lethal Racing Stage V
PER 418ci Forged LS3
530/520 SAE
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