Ktuner Tuning & Connectivity Device for 2025 Honda Civic Si

Description

This device allows flash your 2025 Honda Civic Si ECU.
Please note that this kit does not work with the Hondata FlashPro.
BEFORE PURCHASING, YOU MUST:
– Enter your full KTuner serial number (found on the box or unit)
– Lock your KTuner device to your ECU (can be completed without this kit)
Please see our full install tutorial here, or see the below videos.

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