Hondata FlashPro CARB for 2017–2021 Civic Si 1.5T

Hondata FlashPro CARB (FP-16CIVIC-L15T-US-CARB) supports datalogging and approved calibration options for the 2017–2021 US Civic Si 1.5T. Check the ECU part number before ordering.

Fitment and emissions

Hondata lists this 2017–2021 Civic Si application under CARB EO D-742-5. Approval depends on the specific vehicle and calibration. Hondata lists the 2022+ Civic Si CARB application as emissions approval pending; this listing does not claim 2022+ street legality. Contact EDO for the current approval status before ordering for a 2022 or newer car.

This is the CARB FlashPro configuration. It differs from the race FlashPro, which offers broader tuning access. FlashProManager is Windows based. For application help, provide EDO with your year, trim and ECU part number.

Manufacturer application details