Hypertech

9AS2G99--42003-BSCX--KCURTPYH

Hypertech Power Programmer III, for the 1999 GMC Sierra 2500

Engine Computers

Power Tune your engine for maximum horsepower and torque.
Plugs into the diagnostic port of you vehicle's computer.
In just minutes you have more horsepower and torque for any kind of driving!
Change your options or restore the stock tuning whenever you want.

With the Hypertech Power Programmer III you can Power Tune your engine for maximum horsepower and torque - without even opening the hood. Just plug in the Power Programmer into the diagnostic port of you vehicle's computer, answer a few simple yes/no questions, and in just minutes you have more horsepower and torque for any kind of driving! Best of all, you can change your options or restore the stock tuning whenever you want.

Adjustable Features (depending on model and year): Power Tuning; Shift Points; Shift Firmness; Rev Limit; Top-Speed; Tire/Gear; Cooling Fans; DTC's.

This item is designed to fit the following vehicle(s): 1999 GMC Sierra 2500 4.3L, 5.0L, 5.7L, 7.4L All Trans

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