1999 Jeep Grand Cherokee Performance Chips

    • SUPERCHIPS® - TrailDash Tuner
      Jeep Grand Cherokee Gas 1999, TrailDash Tuner by Superchips®. Specially created to enhance the off-road ability of Jeep vehicles, this tuner control board links to your main vehicle computer in order to lock axles, transfer cases, adjust TPMS...
      Our price: $513.97$513.97
      20% OFF
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    • SUPERCHIPS® - Flashpaq Tuner
      Jeep Grand Cherokee Gas 1999, Flashpaq Tuner by Superchips®. This compact diagnostic programmer connects with any OBD II compatible gasoline-powered vehicle to adjust levels of horsepower and torque most beneficial to towing, racing, fuel...
      Our price: $359.47$359.47
      20% OFF
      (3)
    • HYPERTECH® - Max Energy Programmer
      Jeep Grand Cherokee L6 4.0L Gas 1999, Max Energy Programmer by Hypertech®. Regular Fuel: HP Gain 10, TQ Gain 14, Premium Fuel: HP Gain 13, TQ Gain 19. The Max Energy Programmer series provides high levels of power and economy for gasoline...
      Our price: $329.99$329.99
      20% OFF
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    • HYPERTECH® - Max Energy E-CON™ Programmer
      Jeep Grand Cherokee L6 4.0L Gas 1999, Max Energy E-CON™ Programmer by Hypertech®. Regular Fuel: HP Gain 10, TQ Gain 14. This tuner is created with a value price to give users of low-octane gasoline engines the core tuner functions of increased...
      Our price: $339.79$339.79
      20% OFF
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    • JET® - Performance Module
      Jeep Grand Cherokee 4.0L 1999, Performance Module by JET®. Jet Module.
      Our price: $239.96 - $247.46$239.96
      20% OFF
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    • JET® - Computer Chip Programmer
      Jeep Grand Cherokee 4.7L 1999, Computer Chip Programmer by JET®. V-Force Plus.
      Our price: $262.46$262.46
      20% OFF
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    • JET® - Speedometer Calibrator
      Jeep Grand Cherokee 4.0L 1999, Speedometer Calibrator by JET®. Jet Accu-Speed; Speedometer Calibrator; For Use w/Automatic Transmissions Only.
      Our price: $149.96$149.96
      20% OFF
      (0)

    Customer Reviews
    4.5(4.5)
    2002 Jeep Grand Cherokee
    Posted by

    "The chip gave my Jeep 5 miles to the gallon better on gas mode and loads of power on performance mode."