Fuel Economy Update for September - Track Day, New Exhaust Drop MPG Average - 2015 Ford Mustang GT L


A new exhaust and a spirted weekend at the track punishes the lifetime fuel economy of our 2015 Ford Mustang GT. Sure was - and is - fun, though.
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A new exhaust and a spirted weekend at the track punishes the lifetime fuel economy of our 2015 Ford Mustang GT. Sure was - and is - fun, though.
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