2004 4.0 mods
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you get different programs like 3 different ones..
torque, preformance, hp i think are you choices
i got one for my bigger tires and gears..BIG difference i love it..probably one of the best mods i did on the truck.
if you ever plan on lifting it..it will correct your speedometer and give that extra boost and little better mpg
torque, preformance, hp i think are you choices
i got one for my bigger tires and gears..BIG difference i love it..probably one of the best mods i did on the truck.
if you ever plan on lifting it..it will correct your speedometer and give that extra boost and little better mpg
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