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3rd Gen Ram Tech2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
Look on the lid of your glove box and list the gear ratio you have now. Im tellin ya if you throw in some 4:56 gears your mileage and power will dramatically improve allot more than a tuner...