Which stage do I need?
Stage 1 is software-only, Stage 2 needs supporting hardware, and Stage 3 is for custom builds.
Questions
FAQ
Answers for common tuning, file service, dyno, hardware, and safety questions.
Details
Built around the vehicle.
Answers for common tuning, file service, dyno, hardware, and safety questions.
Every request is reviewed around engine type, gearbox, ECU family, fuel quality, current hardware, and the way the vehicle is actually used.
Stage choice
Understand Stage 1, Stage 2, and Stage 3.
File service
Upload original file and receive tuned file.
Hardware
Know when parts are required.
Legality
Specialist services depend on local laws and use.
Do I need a dyno?
Not always, but dyno validation is best for serious builds and proof of final results.
Can you tune diesels?
Yes, diesel torque and smoke control can be calibrated carefully for a clean daily result.
FAQ
Clear answers before tuning.
Which stage do I need?
Stage 1 is software-only, Stage 2 needs supporting hardware, and Stage 3 is for custom builds.
Do I need a dyno?
Not always, but dyno validation is best for serious builds and proof of final results.
Can you tune diesels?
Yes, diesel torque and smoke control can be calibrated carefully for a clean daily result.
Ready?
Start with your vehicle details.
Send make, model, engine, year, gearbox, ECU type, and the result you want. FLEX will guide you to the correct route.