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:
1 PSI boost to 3.5 PSI back pressure???
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06-28-2013, 06:47 PM
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killmode_on
Drives: 2011 2SS/RS
Join Date: Feb 2011
Location: AZ
Posts: 131
Holy crap, that's really not good.
You have a single 67/67 with a single 2.5" down pipe? That is totally unacceptable. A single 2.5" pipe is good for less than stock HP.
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