Thread: quietest exhaust for 600+rwhp
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Old 08-17-2013, 03:04 PM   #13
DuskSS
Bayou City Muscle Cars
 
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Drives: 2013 2SS Dusk Edition
Join Date: Jan 2013
Location: Houston Texas
Posts: 1,443
NPP and keep it closed with an ADM module or stock mode for permformance.
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2013 2SS Dusk Edition
Lethal Racing Stage V
PER 418ci Forged LS3
530/520 SAE
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