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 2022+ Civic Si 1.5 Turbo. The KTuner Flash system allows you to reprogram/reflash your stock 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/)

Part numbers for usable ECUs include:

North America Civic Si 1.5T

• 37820-64B-A01 through A02
• 37820-64B-AA1 through AA2
• 37820-64B-AB1 through AB3
• 37820-64B-AF1 through AF4 – Connectivity Kit 1 Required

Feature List:

• Real-Time Logging
• Ignition / Fuel Tuning
• Flex Fuel Tuning
• On the Fly Adjustable Launch Limiter
• On the Fly MAP Switching
• Advanced VSA Traction Control
• Throttle Control Quick Adjustment
• Dual Boost Targets with Sport Button
• Turbo Responsiveness Quick Adjustment
• Closed Loop Control
• Disable Sensors
• Fuel Cut Parameters
• Fuel Correction Parameters
• Ignition Correction Parameters
• Idle Control Parameters
• Speed Limiter Removed - Please adhere to your tire speed limitations.

We are currently offering multiple research calibrations. Running 91+ will give the best results.

Starter 16.5 (Stage 0):
Improved throttle response
Removed throttle dampening on low end, better performance off the line
Reduced turbo lag
Improved low-end and midrange torque
Boost level adjusted
Smooth torque delivery throughout the rev range
Producing a much more sporty feel, drivability, and additional power throughout the RPM range!

Starter 18 (Stage 1):
Improved throttle response
Removed throttle dampening on low end, better performance off the line
Reduced turbo lag
Improved low-end and midrange torque
18 Psi boost targets
Smooth torque delivery throughout the rev range

• Up to 32 lb-ft of torque increase over factory
• Up to 30whp increase over factory

Producing a much more sporty feel, drivability, and additional power throughout the RPM range!

Starter 1 Dual Tune 1 (18PSI/Factory):
Improved throttle response
Removed throttle dampening on low end, better performance off the line
Reduced turbo lag
Improved low-end and midrange torque
Factory boost targets in Normal mode
18 PSI boost targets in Sport

• Up to 32 lb-ft of torque increase over factory
• Up to 30whp increase over factory

Smooth torque delivery throughout the rev range
Producing a much more sporty feel, drivability, and additional power throughout the RPM range!

Starter 1 Dual Tune 2 (18PSI/16.5):
Improved throttle response
Removed throttle dampening on low end, better performance off the line
Reduced turbo lag
Improved low-end and midrange torque
16.5 PSI boost targets in Normal mode
18 PSI boost targets in Sport mode

• Up to 32 lb-ft of torque increase over factory
• Up to 30whp increase over factory

Smooth torque delivery throughout the rev range
Producing a much more sporty feel, drivability, and additional power throughout the RPM range!

Starter 21 (Stage 2):
Improved throttle response
Removed throttle dampening on low end, better performance off the line
Reduced turbo lag
Improved low-end and midrange torque
21 PSI Boost targets in Sport mode

• Up to 52 lb-ft of torque increase over factory
• Up to 47 whp increase over factory

Producing a much more sporty feel, drivability, and additional power throughout the RPM range!

Starter 21 Dual Tune 1 :
Improved throttle response
Removed throttle dampening on low end, better performance off the line
Reduced turbo lag
Improved low-end and midrange torque
Factory Boost targets in Normal mode
21 PSI Boost targets in Sport

• Up to 52 lb-ft of torque increase over factory
• Up to 47whp increase over factory

Producing a much more sporty feel, drivability, and additional power throughout the RPM range!

Starter 21 Dual Tune 2:
Improved throttle response
Removed throttle dampening on low end, better performance off the line
Reduced turbo lag
Improved low-end and midrange torque
Boost level adjusted
Stage 1 (18PSI) Boost targets in Normal mode

• Up to 33 lb-ft of torque increase over factory
• Up to 30 whp increase over factory

Stage 2 (21PSI) Boost targets in Sport

• Up to 52 lb-ft of torque increase over factory
• Up to 47 whp increase over factory

Producing a much more sporty feel, drivability, and additional power throughout the RPM range!

Starter 21 Flex Fuel (Stage 2)

Improved Throttle response

Removed throttle dampening on low end - better performance off the line.

Reduced turbo lag

Improved low-end and midrange torque

21 PSI Tune with Flex Fuel Integration

• Up to 69 lb-ft torque increase over factory
• Up to 63 whp increase over factory
• Produces a much more sporty feel, drivability, and additional power throughout the RPM range.