Very good car runs well
Cobb is very diff then other competitors like hondata and ktuner but I’m liking it love how accessible it is loving the size and customization

The COBB AccessPORT V3 (AP3-HON-002) is a handheld ECU tuning and monitoring device designed specifically for the 2017–2020 Honda Civic Si (FC1/FC3). This AccessPORT allows users to flash performance calibrations, monitor live engine data, read and clear diagnostic trouble codes, and improve overall performance and drivability.
Featuring COBB’s latest V3 hardware, the COBB AP3-HON-002 AccessPORT includes a high-resolution full-color screen in a compact enclosure and supports COBB Off-The-Shelf (OTS) maps as well as custom professional tuning for modified vehicles.
Key Features
ECU flashing and engine management solution
Supports COBB OTS maps and custom tuning
Displays live engine data and performance metrics
Reads and clears diagnostic trouble codes
Compact V3 design with full-color screen
Vehicle Fitment
2017–2020 Honda Civic Si (FC1 / FC3)
Notes
Vehicle modifications may require custom tuning
Intended for off-road / motorsports use where applicable