KTuner Connectivity Device for 2025 Honda Civic Si
Description
This device allows flash your 2025+ Honda Civic Si ECU as all 2025 and newer Si models require a different approach to flashing. Once this step is complete, you will be able to flash any new maps from the vehicles OBD2 port.
No other Honda/Acura models require this module at this time!
The process requires a laptop and an internet connection, so please keep that in mind prior to completing these steps. You must have a KTuner Connectivity Device in hand to complete this, otherwise you will not be able to tune your vehicle. If you do not have the KTuner software downloaded on your laptop, you will need to do so prior to beginning. This can be found at this link.
Installing the Connectivity Kit
1/5 Difficulty
Applications
Support for 2025+ and newer model Civic Si only
Other Honda & Acura models do not require this kit
