Civic Si Engine Management

Introducing the COBB Accessport for Honda Civic Si (FE1) 2022-2024. Simple ECU flashing with gauge package! The in-cabin mountable Accessport V3 ha...

Introducing the COBB Accessport for Honda USDM (FC1/FC3) 2017-2020 Civic SI Simple ECU flashing with gauge package! The in-cabin mountable Accesspo...

The FlashPro allows full user tuning and datalogging for your Civic Si 1.5 Turbo. It includes Windows based software called FlashProManager. The Fl...

The FlashPro allows datalogging and limited tuning for your 2022+ US Civic 1.5 Si Turbo. It includes Windows based software called FlashProManager....

Our KTunerFlash V1.2 tuning package comes with a single KTuner hardware unit paired with a single user license for the KTuner software. This unit ...

Our KTunerFlash V2 tuning package comes with a single KTunerFlash V2 hardware unit paired with a single user license for the KTuner software. 5″ T...