Yesterday when i had the truck in the shop it was throwing black LANGUAGE!!!!!! out the exaught pipes when i would rev it a little, but im not sure about the fuel mileage cause i changed the superchips selection from mileage save back to stock..
Yesterday when i had the truck in the shop it was throwing black LANGUAGE!!!!!! out the exaught pipes when i would rev it a little, but im not sure about the fuel mileage cause i changed the superchips selection from mileage save back to stock..
Last edited by DamnYankee; 02-28-2010 at 06:31 PM.
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