07-24-2012, 06:38 PM
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CC Member
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Join Date: May 2006
Location: St. Louisville,
Oh
Cobra Make, Engine: A&C 67 427 cobra SB
Posts: 2,445
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Not Ranked
Quote:
Originally Posted by cobred
You should also check what mufflers are inside your sidepipes. When I first built my car I bought the sidepipes from ERA and didnt ask anything about mufflers. The ones they gave me had 2" mufflers inside the pipes. A few months later I bought a used set with 2 1/4" mufflers from ERA then a year later I sent the first set to the exhaust shop ERA uses and had 3" mufflers installed.
Each change made a difference but I made other changes at the same time so its hard to say how much of an increase but what goes in must come out.
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Good thought and while your at it, make certain your air filter is not choking off air flow. Air flow into and out of the engine is king. |
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