To early to ask that question only about 2 choices right now Hyper tech or Bully Dog, Im holding out for superchips flashpaq so I can ajust tire size and gears ajust trans shift points,timming ect, whats on the market now won't let you do all that.
Then I can change my gears install a locker and up my tire size.
right now you up your tire size your spedo will be off , super chips flashpaq will allow you to do this.
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