WARNING! THIS PRODUCT IS FOR OFF-ROAD MOTORSPORT/COMPETITION RACING USE ONLY, NEVER TO BE USED ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. KTuner Flash-based system for 2009-2013 Honda Fit. The KTuner Flash system allows you to reprogram/reflash your stock Honda ECU directly over your OBD2 diagnostic port. No need to remove your ECU, etc. Simply plug the KTuner Flash system into your OBD2 port under your dash and reflash or tune your car using the KTuner software. Using the KTuner Flash system, you can retain all of your factory drivability, emissions, and reliability, while still being able to tune your engine for modifications (ie: intake, exhaust, cam upgrades, etc). The result will be a much better running engine with increased power! What is included with the KTuner Flash system? KTuner hardware (part that plugs into your OBD2 port) USB cable (plugs into your laptop on one end, and into the KTuner hardware on the other end) Pair of KTuner window decals KTuner software (download for free here: http://ktuner.com/downloads/) KTuner feature list for 09-13 Fit: Real-time logging Injector Sizing Ignition/Fuel tuning Knock Tuning Throttle control maps Rev limiter settings 2-step settings Speed Density Fueling Expanded Tables for Boost VTEC Window Control Closed Loop Control Disable Sensors Fuel cut parameters Fuel Correction Parameters Ignition Correction Parameters Idle Control Parameters Speed limiter removed. Please observe tire speed limitations. Many more features under development. For an up-to-date list, see the KTuner site: http://ktuner.com/fit/ What does the KTuner software interface look like? See the KTuner software preview here: http://ktuner.com/ktuner-software/ Do I need anything else to use this system? A laptop computer running WindowsXP or newer operating system. Internet connection (for registering the system to begin use). Part numbers for supported ECU's: 2009-2010 Honda Fit: 37820-RP3-A01 through A03, 37820-RP3-30537820-RP3-A11 through A13, 37820-RP3-30637820-RP3-A51 through A53, 37820-RP3-30737820-RP3-A71 through A73, 37820-RP3-405 2010 Honda Fit: 37820-RP3-A0437820-RP3-A5437820-RP3-A63 2011 Honda Fit: 37820-RP3-A1537820-RP3-A75 2012-2013 Honda Fit: 37820-RP3-A16 through A1737820-RP3-A76 through A77