ATTENTION 2025 Honda Civic Si owners!
KTuner has been working hard behind the scenes to make tuning possible for you guys. With Honda’s 2025 updates, the usual tune reflash method needed another step, and KTuner developed the Connectivity Device as the solution. Tuning support is finally here, and available only at TSP.
Find everything used in this video through the links attached!
KTuner Connectivity Device:
https://www.twostepperformance.com/products/ktuner-connectivity-device-for-2025-honda-civic-si
KTuner Connectivity Device - Install Guide:
https://www.twostepperformance.com/blogs/install-guides/ktuner-connectivity-device-install-guide
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Thank you @MPROSCreative for helping us get this project done on such short notice!