Nice and clean upgrade
Very good quality perfect fitment sound it amazing
Very nice look for the engine bay and increase turbo noise 10/10.
Allowed me to connect to my 2026 Acura Integra under the hood. Works great!
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.
TSP Rewards
Purchase this product and earn $1.50 towards your next purchase!