Step into the future of engine management with professional-grade tuning technology
Take complete command of your vehicle's performance with professional-grade tuning.
Unlike piggyback ECUs, this is a direct flash solution. No additional devices needed.
Eliminate the downtime of mailing your original ECU overseas. Tune in place!
Keep driving your car—no need to remove the ECU from the vehicle.
Simply plug the GT5 into the OBD port, flash the new tune, and immediately feel the increase in torque and horsepower.
Rollback capability ensures you can always revert to stock settings if needed.
Plug GT5 into your Honda's OBD port
Select your Honda model and flash the tune
Feel the instant power increase
Experience professional-grade performance
Quick and easy ECU flashing with real-time data analysis
Control your tuning process from anywhere
Monitor performance metrics live during tuning
Works with all Honda models - Civic, Accord, CR-V, Type R, and more
100% safe tuning with rollback capability
Lifetime free updates with new Honda model support
Real-time adjustment with no need to re-flash the ECU. Fine-tune boost pressure on the fly for optimal performance.
Remove speed limiters and unlock your Honda's top speed potential. Perfect for track days and highway cruising.
Diagnostic Trouble Code (DTC) Erase – Clear error codes in just 2 clicks, takes only 2-3 seconds.
Race-ready functionality for competitive driving. Optimized settings for track performance and safety.
Choose between Stage 1, Stage 2, or a Custom Tune to suit your needs. Multiple tuning profiles available.
Professional calibration by a specialist tuner (additional cost applies). Get a custom tune tailored to your specific Honda.
During the flashing process, you can select the appropriate option for your vehicle:
Suitable for: Low-Octane Fuel
Optimized for vehicles running standard or low-octane fuel. Great balance of performance and reliability.
Suitable for: High-Octane Fuel
For vehicles running high-octane fuel. Increased boost for better performance and throttle response.
Suitable for: High-Octane Fuel
For maximum performance with high-octane fuel. Push your Honda to its limits!
Suitable for: All Vehicles
If you need to visit a dealer, select Factory Setting to restore your vehicle to original specifications.
Real results from real Honda enthusiasts
"Easy to use and the results are amazing. My Accord went from 200hp to 265hp with GT5. Highly recommend!"
"The mobile interface is fantastic. I can tune my CR-V anywhere. Customer support is also excellent."