KTuner for 19+ RDX 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 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
2019 AT 37820-5YF-A51 through A57
37820-5YF-A61 through A67
37820-5YF-A71 through A77
37820-5YF-A81 through A87
2020 AT 37820-5YF-A21 through A24

KTuner feature matrix for 19+ RDX 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
    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