Hello is it really worth it to purchase this item? Are they really works? So after install and tune all the changes . Put that device away . ? What about the little black box come with wires. ? Thanks
Phi from El monte on
Sir, the wires and the box are part of the kit it needs to be installed if you go to taller tires or change your gear ratio if you do not use this calibrator your transmission will not shift correctly. this device needs to be installed on the vehicle in order to work. Thanks for your question.
from El monte on
How difficult is this to install?
Angel from Chester, VA on
The Hypertech In-Line Speedometer Calibrator Module is a plug and play component that uses factory style harnesses for a very easy install. Hope this helps!
Leon from Chester, VA on
How do you enter different tire sizes and or gear ratios?
Mannster from Trinidad, Co on
It will ask you what tire size and what gear ratio.
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