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  • Regular price $449.00

KTuner for 12-15 Civic Si

KTuner is for off-road research and development testing only. Every vehicle should be flashed back to factory before being driven on a public road.

What are my options?
KTunerFlash End User System – Hardware/software. Datalog and make your own changes – $499



Part numbers for usable ECUs include:
37820-RX0-A01 through A22

KTuner feature matrix for 12-15 Civic (BETA means the feature is currently in testing phases):

Feature Final BETA   End User Dealer Tuning Reflash
Real-Time Logging X     X X  
Real-Time Tuning Mode   X     X  
Injector Sizing   X   X X X
Ignition/Fuel Tuning X     X X X
VTC Tuning X     X X X
Knock Tuning X     X X X
Throttle Control Maps X     X X X
Rev Limiter Settings X     X X X
2-Step Settings X     X X X
Adjustable 2-Step   X   X X X
Anti-Lag   X   X X  
Custom Map Sensor Support   X   X X  
Speed Density Fueling X     X X  
Expanded Tables For Boost X     X X  
PWM Boost Control   X   X X  
Boost Cut   X   X X  
VTEC Window Control X     X X X
Closed Loop Control X     X X X
Disable Sensors X     X X X
Fuel Cut Parameters X     X X X
Fuel Correction Parameters X     X X X
Ignition Correction Parameters X     X X X
Idle Control Parameters X     X X X

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

Dyno Graphs:
Tuning at 1100ft on 91 octane
2012 Civic Si
Stock intake
Full-Race High Flow Performance Cat
Full-Race Exhaust System