08-15-2012, 10:52 AM
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#13
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Registered User
Join Date: May 2010
Location: Lewis County, WA
Posts: 1,523
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Re: flowmasters on 454?
Quote:
Originally Posted by Moostifer
had them on mine... I'm now using the 30's. no difference in sound at all (but my motor isn't stock either), just got more torque from the added back pressure.
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A complete myth.
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