KTuner V2 Flash 2017+ Honda Civic Si

KTuner V2 Flash

Speed Limiter removed. Please adhere to your tire speed limitations and note this feature is for off-road use only.

This package includes multiple starter maps, Factory, 19.5PSI, 21.5PSI, 23PSI, and 19.5/23PSI dual tune activated by the Sport button. Also included are quick adjustments that give you easy levels of control for throttle response, partial throttle boost response, and turbo ramp lag. Pick the combo of settings that’s right for your testing needs!

We are currently offering multiple research calibrations based on our 1.5T maps from the standard Civic with more to come in the future. All tunes should be run with 91+ octane for expected results.

Factory Starting Point:
Improved throttle response
Removed throttle dampening on low end, better performance off the line
Factory boost levels

Starter 19.5 PSI:
Improved throttle response
Removed throttle dampening on low end, better performance off the line
Reduced turbo lag
Improved low-end and midrange torque
Boost raised to 19.5psi after peak torque, whereas factory only targets 19 at the peak RPM of 5700 and then drops off again
Producing a much more sporty feel, better drivability, and additional top end power!

Starter 21.5PSI:
Improved throttle response
Removed throttle dampening on low end, better performance off the line
Reduced turbo lag with aggressive spool up
Improved low-end and midrange torque
Boost targets raised to 21.5psi
Producing a much more sporty feel, better drivability, and additional top end power!

Starter 23PSI:
Improved throttle response
Removed throttle dampening on low end, better performance off the line
Reduced turbo lag with aggressive spool up
Improved low-end and midrange torque
Boost targets raised to 23psi
Producing a much more sporty feel, better drivability, and additional top end power!

Starter 19.5/23PSI:
Improved throttle response
Removed throttle dampening on low end, better performance off the line
Reduced turbo lag with aggressive spool up
Improved low-end and midrange torque
Boost targets 19.5psi in Normal Mode
Boost targets raised to 23psi in Sport Mode
Producing a much more sporty feel, better drivability, and additional top end power!

Other Dual Mode Starter Maps:
Factory Normal/19.5 Sport
Factory Normal/21.5 Sport
19.5 Normal/21.5 Sport
Factory Normal/23 Sport
Improved throttle response
Removed throttle dampening on low end, better performance off the line
Reduced turbo lag with aggressive spool up
Improved low-end and midrange torque
Producing a much more sporty feel, better drivability, and additional top end power!

Flash Back To Stock At Any Time

Dyno Testing 23PSI Basemap:
Gains: 56wtq, 35-40whp midrange, 30whp peak to peak. There’s more left in the top end, but we’re staying conservative. Custom tuning can take it to the next level.
Dyno Testing 23PSI Basemap with Flex Fuel Kit (E35):
Gains: 75wtq, 60-65whp midrange, 65whp peak to peak.