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.
Perfect upgrade for the 1.5T cvt mount.
Quality is outstanding customer service is great
Honestly the best mod you can do for your 11th gen! The blow off valve sound is AMAZING!! Highly recommend, def louder than the short ram.
Perfect double side tape suck you gotta buy one but everything else is perfect
