KTuner for 21+ TLX 2.0 Turbo

KTuner is for off-road research and development testing only. Every vehicle should be flashed back to factory before being driven on a public road.

See Dyno testing results at the bottom of the page.

What are my options?
KTunerFlash V1.2 End User System – Hardware/software. Datalog And Make Your Own Changes! – $449

• KTunerFlash V2 End User System – All-In-One Display/Flash Hardware+Software. Datalog and make your own changes – $649

How do I get KTuner?
• Contact a dealer for dealer testing or to order a KTuner kit.

If you do not see your part number listed below, we can add it. Contact us via Info@KTuner.com

An asterisk next to an ECU number signifies that an appointment will need to be made in order to retrieve the ECU data. Part numbers for usable ECUs include:

North America
2021 AT 37820-6S8-A71 through A74

KTuner feature matrix for 21+ TLX 2.0T (BETA means the feature is currently in testing phases):

Feature Final BETA End User Dealer Tuning Reflash
Real-Time Logging X X X
Ignition/Fuel Tuning X X X X
Throttle Control Quick Adjustment X X X X
Rev Limiter Settings X X X X
Closed Loop Control X X X X
Disable Sensors X X X X
Fuel Cut Parameters X X X X
Fuel Correction Parameters X X X X
Ignition Correction Parameters X X X X
Idle Control Parameters X X X X

Speed Limiter removed. Please adhere to your tire speed limitations and note this feature is for off-road use only.

We are currently offering multiple research calibrations. Running 91+ will give the best results.


Stage 1:
Improved throttle response
Removed throttle dampening on low end, better performance off the line
Reduced turbo lag
Improved low-end and midrange torque
Boost level adjusted
Smooth torque delivery throughout the rev range

  • Up to 40 lb-ft of torque increase over factory
  • Up to 25whp increase over factory
  • Producing a much more sporty feel, drivability, and additional power throughout the RPM range!


    Stage 2:
    Improved throttle response
    Removed throttle dampening on low end, better performance off the line
    Reduced turbo lag
    Improved low-end and midrange torque
    Boost level adjusted

  • Up to 60 lb-ft of torque increase over factory
  • Up to 45whp increase over factory
  • 29whp peak-to-peak
  • Producing a much more sporty feel, drivability, and additional power throughout the RPM range!


    Flash Back To Stock At Any Time

    Dyno Results. The TLX is tuned identically to the RDX 2.0T. Dyno sheets shown are from the RDX.
    AWD AT Run As 2WD
    Stage 1 Results:

    Smooth torque delivery throughout the rev range
    Up to 40 lb-ft of torque increase over factory
    Up to 25whp increase over factory

    Stage 2 Results:

    Up to 60 lb-ft of torque increase over factory
    Up to 45whp increase over factory
    29whp peak-to-peak