Ford Mustang Forum - View Single Post - Is it possible to run long tube headers without a new tune?
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post #3 of (permalink) Old 06-03-2012 Thread Starter
cpembach1
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Joined: Feb 2012
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I am prepared to order a custom tune soon but will it be okay to drive for a week or two? I do not want another #8 failure from the engine running too lean. Ha
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