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Old 04-30-2024, 11:24 PM   #7
RupertPupkin

 
Drives: 2014 Camaro SS 1Le
Join Date: Feb 2016
Location: IL
Posts: 1,644
Send those back. Do muffler mod on your npp mufflers.

That's what I did.
__________________
2014 SS 1LE Money Pit/ Forged 402
CAM 22X/24X, .619/.617, 113 LSA/ LS9 Heads
FIC 1200cc/DSX Aux Pump//McLeod RXT Clutch
730whp: 630Trq
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