speedo
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#2
The edge W/ Attitude will show you your correct speed on the attitude monitor but it will not fix the stock spedo and odometer. The Smarty will. There is a speedometer recalibrater also called the Tru Speed. I think acouple other companies make them now too. I have the edge with attitude and was thinking of getting the Smarty to adjust for tire height and then when I have my trans built it is a good stack with the edge.