Ktuner

KTuner is a leading ECU tuning solution designed specifically for Honda and Acura platforms, giving enthusiasts and tuners full access to their engine’s potential. Whether you're running a K20, K24, J-series V6, or turbocharged L15B7, KTuner lets you safely optimize fuel, ignition, boost, VTEC, and more—right from your laptop.

Perfect for both street and track builds, KTuner delivers the power, flexibility, and control needed to get the most from your mods.

With KTuner, you can:

  • Flash your factory ECU with custom or basemap calibrations

  • Adjust rev limits, throttle response, VTEC engagement, and ignition timing

  • Run multiple map slots and switch between them on the fly

  • Tune for bolt-ons, forced induction, and flex fuel (E85) setups

  • Use real-time datalogging and diagnostics to fine-tune your engine safely

Supported platforms include:

  • Honda Civic Si, Accord, ILX, TL, TSX, and CR-V

  • Engines: K20, K24, J35, R18, L15B7, and more

  • Full support for many 2003+ models with OBD2 ECUs