1998 GMC Sierra Performance Chips

    • HYPERTECH® - Max Energy Programmer
      GMC Sierra 1500 V6 4.3L Gas 1998, Max Energy Programmer by Hypertech®. Premium Fuel: HP Gain 13, TQ Gain 27. The Max Energy Programmer series provides high levels of power and economy for gasoline engines, with specific tuning applications geared...
      Our price: $299.99$299.99
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    • HYPERTECH® - Speedometer Calibrator Programmer
      GMC Sierra Gas 1998, Speedometer Calibrator Programmer by Hypertech®. The law requires accurate speedometer readings, even if you have non-stock tires or gear ratios installed. The Speedometer Calibrator is created to provide that specific...
      Our price: $229.99$229.99
      20% OFF
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    Guides & Articles
    Are Superchips Really Super?Are Superchips Really Super?
    Although most automobile manufacturers try to achieve a balance between performance and emissions when the ECU is programmed, in reality more power can be obtained when certain engine control parameters are changed. Aftermarket superchips are made to adjust parameters to increase engine power and torque. The superchip gives a “boost” to your vehicle’s...
    The throttle controller will basically bypass the computer in the vehicle. It is designed to take the information right from the accelerator position sensor and compile it in a high speed controller circuit that compiles the signal sent from the Accelerator position sensors. With this controller you are able to program it to different options and the throttle...
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