SXTHNK tuning

High Quality
Professional ECU Software .

Try searching for your car

Guaranteed secured tuning area

our services

Unique Features

File Analytics
File Analytics

Provides easy-to-use platform and tool for analytics data.

Custom Tuning
Custom Tuning

Provides easy-to-use platform and to get custom tuning file.

Online Purchasing
Online Purchasing

Provides online purchasing area for tuning files.

Free Tune Updates
Free Tune Updates

Customer will get Free Tune updates for purchased tuning file.

Multiple Vendors
Multiple Vendors

Provides Interactive platform for Multiple vendors and customers

Deep Discount
Deep Discount

Offers deep discounts for multiple tuning file purchases.

See Plan Details And Pricing For More Informations

Who We Are

  • SXTHNK tuning is the tuning division of SXTH Element Engineering, a company that has been in the automotive industry for over 10 years.
    We provide high quality, professional vehicle ECU software and devices for flashing ECUs, which are the electronic control units that manage various aspects of your vehicle's performance.

    SXTHNK tuning specializes in Korean vehicles, such as Hyundai, Kia and Genesis, and has a focus on user experience.
    We design our products and services to be easy to use, safe and reliable.
    We also offer technical support and customer service to help you with any questions or issues you may have.
    We are proud to be the first in the world to offer at home OBD flash tuning on many popular Korean cars, such as the Hyundai Veloster N, the Kia Stinger GT and the Genesis G70.
    OBD flash tuning allows you to modify your vehicle's ECU software through the OBD port, which is the diagnostic port under your dashboard.
    This means you don't have to send your ECU to us; you can do it yourself with our devices and software in minutes.

    Our goal is to help our customers unleash the full potential of their vehicles with our innovative and reliable products and services.
    Whether you want more power, smoother driving or custom features, we have the solution for you.

    SXTHNK tuning is more than just a name. It's a way of thinking that drives us to create the best possible products and services for our customers.

SXTH Element

support platform

Quick Steps

This is a guide for using the EK1 Lite or Pro device to tune your car.
Follow these steps carefully to ensure a successful and safe tuning process.

Remove the micro SD card that came with your device. Insert the card into your computer, making sure the card is inserted correctly and securely.

Go to the website and log in with your email and password. If you don't have an account yet, you can create one for free by clicking on the 'Register' button.

On the website, click on the 'Firmware' tab and select you device. You should see a list of available firmware updates for your device. Download the latest files and save it to your computer.

On your computer, locate the firmware update file that you downloaded. You should see a folder on your SD card containing several files with different extensions. Copy all of the firmware files to the Update folder of the micro SD card on your device. Do not rename or modify any of the files.

Place your car in Accessory Mode and plug the device into the OBD-II port under your dashboard. The device should power on. Use the Upgrade Firmware option in settings to complete the firmware update.

On the device, select the 'Read ECU ID' option. The device will scan your car's ECU and display its calibration ID on the screen after selecting the ECU type [ECU type can be found here]. The calibration ID is a four-letter code that starts with either IK, CK, JS, or another prefix depending on your car model and year.

Write down or take a picture of your calibration ID and go back to the website on your computer. On the website, navigate to the account settings tab and select the 'ECU Calibration ID' option. Enter the ID as it appeared on your device.

On the website, select the 'Available Tuning Files' option. You should see a list of available tuning files for your car based on your calibration ID. Choose the tuning file that suits your preferences and needs and click on the 'Buy Now' button. You will be able to complete your purchase through our secure gateway.

After you have completed your purchase, your ECU file will appear in your "My Files" tab. Click on the download icon and save the tuning file to your computer.

On your computer, locate the tuning file that you downloaded, then copy this file to the "Maps" folder of the micro SD card on your device. Do not rename or modify this file.

Safely eject the SD card from your computer and insert into your device. On the device, select the 'Writing ECU' option. The device will ask you to confirm that you want to flash your car's ECU with the tuning file on the micro SD card. Press 'OK' to proceed or 'Cancel' to abort.

The device will start flashing your car's ECU with the tuning file. This process may take several minutes depending on your car model and year. Do not turn off or unplug the device or start or stop your car during this process as this may damage your car's ECU or cause other problems.

When the flashing process is complete, you will see a message on the device saying 'Flash Successful'. Press 'OK' to exit.

Turn off your car. You have successfully tuned your car with the EK1 Lite or Pro device.

Congratulations! You can now enjoy improved performance, fuel economy, and drivability from your tuned car. For more information, tips, and support, please visit or contact us at


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Happy User Reviews

“ Easy to navigate, easy to download/purchase. 10/10 ”


Homen Yu

“ Good products and understanding, good price, fast response. And very good tunes! ”


Micael Corleone

“ Great product, like everything else sxth element makes. ”


Gary Redick
our plans

Basic Tunes

Stage 1

Custom tune available

Price: $350.00

Purchase Now
  • Instant Download
  • Free Tune Updates
  • Online Support
  • Best Price

Stage 2

Custom tune available

Price: $450.00

Purchase Now
  • Instant Download
  • Free Tune Updates
  • Online Support
  • Best Price

Stage 3

Custom tune available

Price: $550.00

Purchase Now
  • Instant Download
  • Free Tune Updates
  • Online Support
  • Best Price
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