2003 Jeep Wrangler Performance Chips

    • SUPERCHIPS® - VIVID LINQ Performance Chip
      Jeep Wrangler Gas 2003, VIVID LINQ Performance Chip by Superchips®. Link up to your vehicle’s ECU wirelessly and dial up increased levels of horsepower and torque best suited to racing, towing, fuel economy, or all-terrain use. Provides...
      Our price: $349.99$349.99
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    • SUPERCHIPS® - VIVID LINQ Performance Chip
      Jeep Wrangler Gas 2003, VIVID LINQ Performance Chip without tablet screen by Superchips®. This controller unit for your gasoline-powered vehicle offers all VIVID Paq functions, but without the tablet screen. Connects to most Android-based phones...
      Our price: $349.99$349.99
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    • SUPERCHIPS® - TrailDash Tuner
      Jeep Wrangler Gas 2003, 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 warning...
      Our price: $499.00$499.00
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    • SUPERCHIPS® - Flashpaq Tuner
      Jeep Wrangler Gas 2003, 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 economy, or...
      Our price: $349.00$349.00
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    • SUPERCHIPS® - Flashpaq Tuner
      Jeep Wrangler 2003, Flashpaq Tuner by SUPERCHIPS®. This compact diagnostic programmer is specifically mapped to maximize levels of horsepower and torque most beneficial to towing or fuel economy on diesel engines from all makes and models.
      Our price: $349.00$349.00
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    • SUPERCHIPS® - Trail Jammer TDX Performance Kit
      Jeep Wrangler 2003, Trail Jammer TDX Performance Kit by Superchips®. This kit takes the unparalleled electronic tuning and diagnostic abilities of the TrailDash Tuner unit and maximizes them with a larger throttle body and custom cold air intake...
      Our price: $949.99$949.99
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    • SUPERCHIPS® - Trail Jammer EXT Performance Kit
      Jeep Wrangler 2003, Trail Jammer EXT Performance Kit by Superchips®. Designed specifically to increase power for Jeeps, this kit includes a larger throttle body and custom cold air intake to increase air flow into the engine. The Flashpaq...
      Our price: $729.99$729.99
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    • HYPERTECH® - Max Energy Programmer
      Jeep Wrangler L6 4.0L Gas 2003, Max Energy Programmer by Hypertech®. Regular Fuel: HP Gain 14, TQ Gain 15, Premium Fuel: HP Gain 15, TQ Gain 24. The Max Energy Programmer series provides high levels of power and economy for gasoline engines, with...
      Our price: $299.99$299.99
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    • HYPERTECH® - Max Energy E-CON™ Programmer
      Jeep Wrangler L6 4.0L Gas 2003, Max Energy E-CON™ Programmer by Hypertech®. Regular Fuel: HP Gain 14, TQ Gain 15. This tuner is created with a value price to give users of low-octane gasoline engines the core tuner functions of increased power...
      Our price: $329.99$329.99
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    • Banks® - AutoMind™ Programmer
      Jeep Wrangler 2003, AutoMind™ Programmer by Banks®. The Banks AutoMind programmer lets you reprogram your vehicle’s engine controller. Features include multiple programs, OBD-II support, and OBD-II code-clearing capability.
      Our price: $368.68$368.68
      20% OFF
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    • JET® - Performance Module
      Jeep Wrangler 2003, 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 Wrangler 2003, Computer Chip Programmer by JET®. V-Force Plus.
      Our price: $262.46$262.46
      20% OFF
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    • JET® - Speedometer Calibrator
      Jeep Wrangler 2003, Speedometer Calibrator by JET®. Jet Accu-Speed; Speedometer Calibrator; For Use w/Automatic Transmissions Only.
      Our price: $149.96$149.96
      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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