Thread: Exhaust mod- for sound only or do you gain?
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Old 03-10-2012, 10:24 PM   #2
scottw
 
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Drives: 2011 SGM Camaro 2SS/RS
Join Date: Jun 2011
Location: Blue Knob, PA
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If you want a better sound add a axle back or cat back. If you want to deepen the sound and add hp put a set of hi flow cats. They do not require a tune and do not throw a CEL...

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