09-02-2017, 10:33 AM
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#7
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Drives: 2008 Pontiac G8 GT, Shelby GT500
Join Date: Mar 2011
Location: Long Island, New York
Posts: 1,376
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Quote:
Originally Posted by 17CamaroZL1
The tri-Y manifolds look like they should flow really well. I'm like you, seems like I remember reading in a thread on here that someone only gained around 15 hp on a full exhaust. Maybe it was youtube and maybe it was headers only. I can't remember.
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Think I found one of them
http://www.camaro6.com/forums/showthread.php?t=492358
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