KTunerECU for 2003-2005 Honda Civic Si EP3

KTuner engine-management solution for the 2003-2005 Honda Civic Si EP3 using the required conversion setup.

KTunerECU End User System – $449.

Fitment: 2003-2005 Honda Civic Si EP3 using the required conversion setup. Requires KTunerECU hardware; KTunerFlash V1.2/V2 are not compatible. Conversion harness and 05-06 front O2 sensor requirements apply.

Notice: KTuner states this product is for off-road research and development testing only and the vehicle should be returned to factory calibration before public-road use.