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Your cart is empty.Hypertech's Speedometer Calibrator can correct the speedometer for tires up to 54 inches depending on the application. Simply plug in the Speedometer Calibrator into the vehicle's diagnostic port under the dash, select the tire height and/or new rear gear ratio that has been installed, and the vehicle's computer is reprogrammed for accurate speedometer readings as required by law. The Speedometer Calibrator also reads/displays/clears DTCs and is internet updateable. The Speedometer Calibrator is emissions certified 50-state legal application specific.
michael melton
Reviewed in the United States on September 23, 2021
I have this product, it did not work for me so I called Hypertech customer service. They did not have a solution for me and the two people I dealt with were snotty. Terrible customer service. I won't do business with a company like this.
Jake - Eagle Point, OR
Reviewed in the United States on October 4, 2019
Bully dog would not correct spedo. SCT acted like it did but didn't when checked by GPS. This easily corrected the spedo on my 2004 f250 6.0 power smoke.
Gadget Guy
Reviewed in the United States on January 8, 2018
This thing works perfectly! Easy to use and simple.
michael j melki
Reviewed in the United States on January 2, 2018
Does what it claims to do.
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