Free Shipping On Orders Over $75. Details

Talk to a Sierra Expert
Mon - Sun, 8:30 AM EST - 11:00 PM EST
Win $17,760 For Your Truck! Enter Now!

Diablosport inTune i3 Tuner (14-15 4.3L Sierra 1500)

Market Price $455.94 You Save 17% ($75.99)
Starting At

$379.95 (each)

FREE Shipping
  • Item S56G14-43
  • MPN# 8200

Will this fit your Truck?

Ship to: ASHBURN - 20146
Sorry, please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    Features & Details

    • Improves Vehicle Torque and Horsepower
    • Preset Diablosport Tunes
    • High-Resolution Display w/ Serrated Edges
    • Checks & Removes Diagnostic Trouble Codes (DTC)
    • OBD-II Data Logging
    • 50-State Legal Certification - CARB E.O # D-770
    • Dyno-Tested Programs for Optimum Performance
    • Buy Licenses for Multiple Vehicle Tuning
    • Compatible with Mac, Windows, and Linux
    • ‘’Easy Tune’’ Mode for Quick Installation
    • Limited 1-Year Warranty
    • Fits All 2014-2015 4.3L GMC Sierra 1500 Models
    Improved Vehicle Torque and HP. If you are in need of a proven and efficient tuner for your 4.3L Sierra 1500, look no further—the Diablosport inTune Tuner has got you covered. The tuner features a high-resolution screen, preset Diablosport tunes, and dyno-tested performance programs that help you boost your truck’s HP and torque.

    Fuel Economy. The Diablosport inTune i3 Tuner maximizes the air-to-fuel ratio of your Sierra's engine. This feature allows for improved thermal efficiency, leading to increased gas mileage.

    Touchscreen Display. Thanks to the i3 Tuner’s high-resolution touchscreen, you can select any adjustable option that suits your needs. Alternatively, the serrated edges ensure you always have a firm grip on the tuner.

    OBD-II Data Logging Ability. The inTune i3 Tuner’s OBD-II cable allows you to retrieve diagnostic data related to your Sierra’s performance and transfer it to your computer. Using the Data Viewer logging software from Diablosport, you can read the data.

    Dyno-Tested Tunes. The Diablosport i3 Tuner features pre-configured tunes and performance programs, which are street- and dyno-tested. Hence, they ensure drivability gains and optimal power.

    PC Compatibility. For the Diablosport inTune i3 Tuner, you can update its software wirelessly on virtually any Linux, Windows, and Mac supported PC. It also supports file transfers.

    Simple Installation. Fitting the Diablosport inTune i3 Tuner to your Sierra 1500 is a quick and easy process. All that is needed is plugging in the OBD-II cable and you're set. Further, the “Easy Tune” mode simplifies tune installation.

    Limited Warranty. Diablosport provides finest quality tuners. In fact, the manufacturer adds more piece of mind through backing the i3 inTune Tuners with a limited one-year Warranty.

    Application. Diablosport inTune i3 Tuner is designed to fit all 2014-2015 GMC Sierra 1500 trucks equipped with a 4.3L engine.

    Fitment: 2014 2015 Details

    What's in the Box
    • (1) i3 Tuner
    • (1) USB Cable
    • (1) OBD-II Cable
    Installation Info
    Will it fit my Sierra?

    Customer Photos

    You Might Also Like

    Q & A

    No questions about this product yet.

    Ask the First Question


    Related Sierra 1500 Categories