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2005 4.7 L Crew Exhaust? Worth da trouble?
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02-07-2008, 05:32 PM
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Mickey
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Join Date: Jan 2008
Location: Jacksonville, Florida
Posts: 6,727
If you want higher mpg's get a CAI. My 07 crewcab gets 20-21mpg at 60, 18-19.5 at 70, and 24.7mpg at 55. My Borla XRS duals added a.5mpg.
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