The FlashPro allows full user tuning and datalogging for the 2012+ Civic Si 2.4. It includes Windows based software called FlashPro Manager. The FlashPro connects from your laptop's USB port to your vehicles diagnostic port to provide real time programming, a variety of calibrations and extensive datalogging capabilities. Programmable ECU interface. Connects via OBDII diagnostic port. USB 2.0 connection Works with Laptop or Desktop No ECU modification necessary. Live tuning 20 hours on board datalogging memory. FlashProManager Windows software. Check and clear diagnostic codes . Customizable laptop gauges. Readiness codes and smog check status. Dual calibration storage - upload from one of two calibrations stored in the FlashPro. 2012 Civic SI tuning features Ignition , fuel, idle speed, table editing. VTEC window . MAP sensor based tuning. Rev and launch limiters. Map tracing & lambda overlay. Choice of either AFM or MAP based fuel tuning. Expanded fuel, ignition and knock tables for forced induction. 4 bar MAP sensor support (43 psi). Support for larger injectors. Injector latency / dead time. Individual cylinder fuel & ignition trim. Individual cylinder knock count Works with Hondata Traction control Starting calibrations for NA, forced induction & larger injectors. For a more detailed feature lists see the FlashPro help file.