In the old, pre-computer controlled days, the path to more horsepower ran deep under the hood into the bowels of the engine, and much time and money was needed for bigger cams, larger valves, and high compression pistons. Sure, you can still do all that today, but why bother? Now getting more horsepower and torque from your engine is as easy as plugging in a programmer. With just a few keystrokes you can have power and acceleration you can feel.

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The programmers we offer contain performance “tunes” that have been developed and proven to make power on the dyno, so you won’t have to guess or experiment with settings that could damage your engine. All you have to do is plug the programmer into the OBD II port and follow the on-screen instructions. And with a programmer, you can fully exploit the benefits of cold air intakes, exhaust systems, and other performance parts with a “custom tune” specifically created for your vehicle that accounts for these modifications.

Featured Products

  • Superchips® TrailDash2 Tuner
    (0 reviews)
    # sp12138
    TrailDash2 Tuner by Superchips®. Bigger and better. That’s how they’d describe TrailDash2 (TD2). In addition to the new slim case design, we also upgraded to a 5” full-color display making gauges the sleekest in the industry....
    $499.95
  • DiabloSport® Trinity Programmer
    (9 reviews)
    # sp324
    Trinity Programmer by DiabloSport®. This hi-res color screen programmer plugs in to any vehicle’s OBD II port to remap ECU operation for increased power and mileage. The screen displays a wealth of vehicle gauge info, and lets...
    $25.49 - $599.95
  • DiabloSport® InTune I2 Programmer
    (1 reviews)
    # sp9942
    InTune I2 Programmer by DiabloSport®. If you’ve ever wished you could buy a performance upgrade that makes your throttle more responsive, optimizes your transmission shift patterns, or even adds some bottom-end horsepower,...
    $399.95 - $449.95
  • Banks® Six-Gun™ Diesel Tuner Performance Module
    (0 reviews)
    # sp7666
    Six-Gun™ Diesel Tuner Performance Module by Banks®. The Banks Six-Gun diesel tuner can add as much as 155 hp/385 ft.-lbs. to your rear-wheel horsepower safely, for major improvements in towing or racing. And it does it without...
    $342.12 - $1,627.68
  • Range Technology® Active Fuel Management Plus Device
    (2 reviews)
    # sp9346
    Active Fuel Management Plus Device by Range Technology®. The Range AFM Plus helps to improve fuel savings by making V8 engines to operate like fourcylinder engines when riding with light loads. It unleashes full muscle whenever...
    $199.00
  • Hypertech® Max Energy Programmer
    (7 reviews)
    # sp585
    Max Energy Programmer by Hypertech®. The Max Energy Programmer is one of the most full-function tuners on the market - providing high levels of power and economy for gasoline and diesel engines, with specific tuning applications...
    $299.00 - $379.99
  • SCT Performance® Livewire TS Performance Programmer & Monitor
    (0 reviews)
    # sp3741
    Livewire TS Performance Programmer & Monitor by SCT Performance®. Recalibrate your vehicle’s engine management computer for better performance with the Livewire TS Performance Programmer and Monitor. It comes pre-loaded with...
    $599.00
  • Bully Dog® Triple Dog GT Tuner
    (12 reviews)
    # sp434
    Triple Dog GT Tuner by Bully Dog®. The Triple Dog Gauge Tuner or GT is four products in one: a vehicle engine tuner, monitor, gauge and diagnostic device all in a single unit. The GT dramatically improves the utility of your...
    $499.80 - $699.55
  • Banks® AutoMind™ Programmer
    (1 reviews)
    # sp7669
    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.
    $368.68
  • Hypertech® Max Energy 2.0™ Power Programmer
    (1 reviews)
    # sp10220
    Max Energy 2.0™ Power Programmer by Hypertech®. The Max Energy 2.0 Power Programmer delivers more power-per-dollar than any other bolt-on on the market today. Plus, it installs in less than 15 minutes without using tools or...
    $349.00
  • SCT Performance® iTSX / TSX for Android Wireless Programmer
    (1 reviews)
    # sp3740
    iTSX / TSX for Android Wireless Programmer by SCT Performance®. Recalibrate your vehicle’s computer for better performance with the iTSX/TSX Wireless Programmer. It comes pre-loaded with performance tune files that will unlock...
    $469.00
  • Range Technology® Active Fuel Management Disabler Device
    (4 reviews)
    # sp9345
    Active Fuel Management Disabler Device by Range Technology®. The Range Active Fuel Management Disabler device keeps your vehicle in 8 cylinder mode 100%, while preventing the AFM system from dropping cylinders. It is available for...
    $199.00
  • AEM® Series 2 Plug and Play Engine Management System
    (0 reviews)
    # sp2579
    Series 2 Plug & Play Engine Management System by AEM®. This Series 2 Programmable Engine Management System is more powerful than its predecessor. In addition to more robust hardware, there are several improvements over the original...
    $1,280.13 - $2,034.89
  • Hypertech® Speedometer Calibrator
    (3 reviews)
    # sp589
    Speedometer Calibrator 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 function if your Max...
    $229.00 - $311.39
  • TS Performance® Stryker Series Performance Chip
    (0 reviews)
    # sp13211
    Stryker Series Performance Chip by TS Performance®. This superior product is made from first-rate materials to strict quality standards. It is designed with the utmost care and attention to detail to provide efficient and reliable...
    $825.75 - $959.50
  • Bully Dog® GT Platinum Programmer
    (6 reviews)
    # sp7670
    GT Platinum Programmer by Bully Dog®. The GT Platinum is four products in one; a vehicle engine tuner, monitor, gauge and diagnostic device all in a single unit. The GT dramatically improves the utility of your vehicle by...
    $429.00 - $594.99
  • Hypertech® Max Energy Sport Programmer
    (0 reviews)
    # sp588
    Max Energy Sport Programmer by Hypertech®. This programmer is geared for enhancing everything related to gasoline engine performance. It’s packed with tuning applications geared specifically for super unleaded gasoline, regular...
    $399.00
  • Edge® Evolution Programmer
    (3 reviews)
    # sp317
    Evolution Programmer by Edge®. Plugs into your truck’s ECU to increase horsepower and torque for towing or high performance driving, and to help you achieve maximum mileage. Adjust transmission shift points for larger tires, fuel...
    $372.92 - $453.56
  • TS Performance® ReSpeed Series Speedometer Calibrator
    (1 reviews)
    # sp13210
    ReSpeed Series Speedometer Calibrator by TS Performance®. If you’ve changed your truck’s tire size or rear axle gears, chances are the speedometer reading is off. Because many late-model trucks use the vehicle’s speed to also...
    $269.12
  • Banks® Bullet™ Performance Module
    (0 reviews)
    # sp7665
    Bullet™ Performance Module by Banks®. Improve your diesel’s power by 30 or 60 hp, and 50 or 100 lbs.-ft. by adding the Bullet. By piggybacking on the engine’s PCM controller and adding fuel when possible, the Bullet enhances...
    $307.97 - $389.00
  • Banks® EconoMind™ Performance Module
    (0 reviews)
    # sp7664
    EconoMind™ Performance Module by Banks®. The Banks EconoMind tuner has it all: More power, better fuel economy, and improved emissions. By tinkering with injector pulse width, timing and fuel rail pressure, the EconoMind Power...
    $713.58 - $1,130.94
  • JET® EZ-Tune Programmer
    (0 reviews)
    # sp8952
    EZ-Tune Programmer by JET®. EZ Tune Programmer is the economy version of the full Performance Programmer and is designed for the driver who only wants to change engine tuning and does not want to change transmission shifting, shift...
    $262.46 - $277.46
  • Bully Dog® 6 Position 4-Bank Chip
    (1 reviews)
    # sp431
    6 Position 4-Bank Chip by Bully Dog®. Plugs into engine computer and provides 4 different engine tunes for improved power, economy, and drivability. Improves towing, removes speed limiter.
    $62.23 - $444.59
  • DiabloSport® Extreme Power Puck Module
    (1 reviews)
    # sp320
    Extreme Power Puck Module by DiabloSport®. Designed specifically for diesel engines, this under hood controller remaps fuel injection and timing to boost fuel economy and power to more extreme levels. For most vehicle applications,...
    $285.26 - $341.95
  • JET® V-Force Plus Performance Programmer
    (5 reviews)
    # sp8955
    V-Force Plus Performance Programmer by JET®. The JET V-Force Plus features the same power tuning technology found in JET’s performance modules/programmers. The JET V-Force Plus is an inline tuning device that uses a...
    $269.96
  • Banks® Big Hoss™ Engine Calibration Module
    (0 reviews)
    # sp7668
    Big Hoss™ Engine Calibration Module by Banks®. Order up your Big Hoss module with one of five tunes programmed into it. With the appropriate airflow mods, like an exhaust system and cold-air intake system, you can see as much as...
    $410.97
  • COMP Cams® Computer Chip Programmer
    (0 reviews)
    # sp7672
    Computer Chip Programmer by COMP Cams®. FAST-FLASH™ hand held programmer is the most versatile computer tuning tool on the market today. Developed to permit tuning for your specific needs, the FAST-FLASH™ offers a variety of...
    $318.19
  • JET® ECU Upgrade Kit
    (4 reviews)
    # sp8953
    Import ECU Upgrade Kit by JET®. The JET Performance Computer Upgrade Package is the solution to performance tuning import and domestic sport compact vehicles. Import computers do not have computer chips that are easily removed,...
    $311.96
  • Dinan® DINANTRONICS™ Performance Tuner
    (0 reviews)
    # sp12990
    DINANTRONICS™ Performance Tuner by Dinan®. The DINANTRONICS™™ Performance Tuner is a highly engineered and sophisticated piece of computer hardware and software that enhances engine performance, without negating or voiding...
    $1,499.00 - $3,249.00
  • Hypertech® Power Programmer III
    (0 reviews)
    # sp7427
    Power Programmer III by Hypertech®. Now owners of late model vehicles can finally enjoy the excitement of dyno developed, track tested Hypertech power tuning. Simply plugs into your vehicle's under-dash diagnostic plug. Adjust rpm...
    $362.84 - $368.51
  • ATS Diesel Performance® Select Shift Stand Alone Transmission Controller Kit
    (0 reviews)
    # sp12112
    Select Shift Stand Alone Transmission Controller Kit by ATS Diesel Performance®. The Select Shift System allows for computer control of shift points and lockup timing through computer programming. Once a laptop or other computer is...
    $1,290.45 - $7,199.20
  • JET® Dynamic Spectrum Tuner
    (1 reviews)
    # sp7673
    Designed for the performance enthusiast who wants total control of their vehicle's programming, the JET Dynamic Spectrum Tuner is a powerful tuning package. JET’s DST software provides you with the tools needed for precise...
    $399.99 - $524.99
  • Fleece Performance® TapShifter
    (1 reviews)
    # sp9529
    TapShifter by Fleece Performance®. The Fleece Performance TapShifter allows you to shift your Allison Transmission with the touch of a button just like the 2006 and newer trucks. Perfect for towing, drag racing, daily driving and...
    $348.04
  • Pro Comp® ACCU Pro Speedometer and Odometer Calibrator
    (0 reviews)
    # sp10408
    ACCU Pro Speedometer and Odometer Calibrator by Pro Comp®. This calibration tool is the first of its kind. Compact and easy to use, the ACCU PRO calibration tool plugs directly into your vehicle’s diagnostic port. Once plugged...
    $205.99
  • Hypertech® Interceptor Power Tuning
    (5 reviews)
    # sp7426
    Interceptor Power Tuning by Hypertech®. Hypertech’s Interceptor is a smart technology design that works with today’s generation of complex engine computers. The Interceptor easily mounts under the hood of a vehicle and plugs...
    $359.00 - $549.00
  • JET® Power Control Module
    (12 reviews)
    # sp7674
    Power Control Module by JET®. JET Performance Products’ tuning module gives your primary driver the boost it needs to perform better, tow better, do 0-60 faster and still keep it a bit cheaper at the pump using lower-grade fuels....
    $242.96 - $250.46
  • JET® Computer Chip
    (0 reviews)
    # sp8954
    Computer Chip by JET®. Performance chips/modules from JET will improve the performance of your car or truck with very little work. Perfect for vehicles with little or no modifications, they're programmed for power increases under...
    $121.49 - $299.96
  • Bully Dog® Rapid Power Module
    (0 reviews)
    # sp7671
    Rapid Power Module by Bully Dog®. The Rapid Power module improves fuel economy and adds power by increasing the efficiency of the fuel injection system. Results show increases of as much as 35hp and 40 ft.-lbs. of torque....
    $39.52 - $592.79
  • ATS Diesel Performance® Co-Pilot Torque Converter Lock-Up Controller
    (0 reviews)
    # sp12111
    Co-Pilot Torque Converter Lock-Up Controller by ATS Diesel Performance®. The ATS Co-Pilot transmission controller is recommended for use with light duty pickup trucks with a heavy-duty aftermarket transmission and torque converter...
    $285.01 - $1,282.54
  • JET® Speedometer Calibrator
    (0 reviews)
    # sp3525
    Speedometer Calibrator by JET®. JET Performance Accu-Speed interacts with the vehicle speed sensor on late model GM, Ford, Dodge, and Jeep trucks and SUVs. It connects to the transmission to allow shift point adjustment and...
    $149.96
  • AEM® AQ-1 Data Logger
    (0 reviews)
    # 10984924
    Universal AQ-1 Data Logger by AEM®. {short description}
    $374.82
  • AEM® 4-Channel K-Type Thermocouple Amplifier (30-2204)
    (0 reviews)
    # mpn1641050
    Universal 4-Channel K-Type Thermocouple Amplifier by AEM®. {short description}
    $325.62
  • AEM® 4-Channel Wideband UEGO Controller
    (0 reviews)
    # 10780308
    Universal 4-Channel Wideband UEGO Controller by AEM®. {short description}
    $581.23 - $610.29
  • AEM® Infinity-6 Programmable Engine Management System
    (0 reviews)
    # sp8414
    Infinity-6 Programmable Engine Management System by AEM®. The Infinity-6 and Infinity-8h ECUs deliver state-of-the-art electronic fuel injection (EFI) control capabilities typically found only at upper echelons of Motorsports....
    $1,399.95
  • Fleece Performance® EFILive AutoCal with Custom ECM Tuning
    (0 reviews)
    # sp9530
    EFILive AutoCal with Custom ECM Tuning by Fleece Performance®. Webster defines the verb Tune as: to adjust for precise functioning. Tuning is simply the act of making a number of mechanical components work in harmony. It is not a...
    $56.20 - $849.00
  • Hypertech® HyperPAC Programmer
    (0 reviews)
    # sp9095
    HyperPAC Programmer by Hypertech®. The HyperPAC, Hypertech’s Performance Automotive Computer, allows you to power tune your vehicle for more horsepower and torque, perform runs just like you’re at the drag strip, dyno test your...
    $345.55 - $634.84
  • Hypertech® Max Energy Tuner
    (7 reviews)
    # sp586
    Max Energy Tuner by Hypertech®. The Max Energy tuner is one of the most full-function tuners on the market - providing high levels of power and economy for gasoline and diesel engines, with specific tuning applications geared for...
    $299.00 - $379.99
  • AEM® Infinity-8 Programmable Engine Management System
    (0 reviews)
    # sp8525
    The Infinity ECU delivers state-of-the-art electronic fuel injection (EFI) control capabilities typically found only at upper echelons of Motorsports. Through the Infinity ECU, AEM makes this technology affordable for both...
    $2,396.95 - $3,433.32
  • TS Performance® Switchable Series Performance Chip
    (2 reviews)
    # sp13212
    Switchable Series Performance Chip by TS Performance®. They are available in 6 position settings. Your choice of programs are Stock, High Idle, Valet, Anti-Theft, 50hp, 75hp, 100hp, 140+ Extreme. This superior product is made from...
    $51.98 - $298.00
  • AEM® Infinity-8 Programmable Engine Management System
    (0 reviews)
    # sp8432
    Infinity-8 Programmable Engine Management System by AEM®. The Infinity ECU delivers state-of-the-art electronic fuel injection (EFI) control capabilities typically found only at upper echelons of Motorsports. Through the Infinity...
    $2,396.95 - $3,433.32


The computer, commonly known as ECM, ECU, or PCM, is your vehicle’s brain and controls every function, particularly ones that are critical for performance like fuel delivery, ignition timing and spark advance. However, the computer is calibrated very conservatively at the factory, with settings intended for the “average” driver. Your engine is capable of much more, and if you’re an enthusiast you can unleash this hidden power with a performance programmer.

In addition to preloaded tunes, many programmers allow you to monitor vehicle functions on on-screen gauges, log the data, and download it to a PC. If you’re an experienced tuner or you take your vehicle to a tuning shop you can use this information on the dyno or on the street to fine tune your engine for maximum horsepower, best fuel economy, or the best set-up for towing. It’s possible to monitor parameters like RPM, coolant temperature, intake air temperature, turbo boost, exhaust gas temperature, manifold pressure, fuel trims, and more.

Although features vary according to programmer and manufacturer, many programmers allow you to do much more than tune your engine. On some programmers you can adjust shift patterns and speedometer to account for a different axle ratio or larger diameter tires; increase/decrease idle speed and rev limiter point, or even remove the rev limiter; adjust shift firmness on automatic transmissions; disable traction control and displacement on demand systems; adjust the temperature at which the engine cooling fan turns on and off, and much more.

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Many programmers will also enable you to read DTCs (Diagnostic Trouble Codes), providing the specific trouble code designation as well as a full text description of the code. You can save money by diagnosing your own vehicle, and clear the codes. And because most programmers back up your factory tune during installation, if you have to take your vehicle to the dealer, you can put it back in its factory state of tune to avoid service department hassles. We even offer programmers with a racing mode that can calculate 0-60 mph and ¼ mile times, with an on-screen drag strip tree to see reaction time.

Guides & Articles

  • Performance Parts
    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 performance by enabling you to adjust the settings for the ECU, and allow more fuel to be injected than the factory settings provided.
  • Performance Parts
    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 response timing will be noticeably faster.

Performance Chips & Programmers Reviews

Average rating:  4.5  4.6 - 184 reviews
Read All Performance Chips Reviews
5 of 5
Jet
Excellent product.
DPosted by Dave (Schumacher, ON) /
2008 Jeep Liberty
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