Description
The Ultimate Custom Tune for Your 2018-2023 S550 NA Mustang GT
Unleash the maximum, safe performance from your 2018-2023 Naturally Aspirated Mustang GT with the MAP Remote Custom Tuning Builder. This is a comprehensive tuning solution that goes far beyond generic “canned” tunes, creating a bespoke calibration precisely matched to your unique combination of engine modifications and fuel choice.
Whether you’re running simple bolt-ons or a fully built NA setup, our expert tuners will craft an ECU file that delivers sharper throttle response, optimised power and torque, and superior drivability.
Customise Your Performance Tune
Use our simple product builder to specify your exact modifications and desired features.
1. Cold Air Intake (CAI)
Select the Cold Air Intake system your vehicle is currently running to ensure accurate Mass Air Flow (MAF) calibration:
- Stock CAI
- JLT Cold Air Intake
- Steeda Cold Air Intake
- Roush Cold Air Intake
- Other Aftermarket Intake (Please specify brand/model)
2. Intake Manifold
Tell us which manifold your Coyote 5.0L is equipped with for optimal airflow and runner control:
- Stock Intake Manifold
- GT350 Intake Manifold Swap
- Other Aftermarket Manifold (Please specify)
3. Headers/Exhaust
Headers have a massive impact on air flow—select your setup for an accurate tune:
- Stock Headers/Exhaust
- Aftermarket Catted Headers
- Aftermarket Catless Headers (For Off-Road Use Only)
4. Primary Fuel Octane
Choose the primary fuel you will be running for your custom tune:
- 95 Octane
- 97 Octane
- 99 Octane
- Race Fuel (Please specify grade)
5. Additional Map Options
Maximise your versatility with up to two additional maps, each tuned for a different fuel grade, a street-focused tune, or another specific application.
- None
- One Additional Map (e.g., 99 Octane fuel, street tune, overrun, Ghost cam or Flex fuel tune)
- Two Additional Maps
6. Ghost Cam File Add-On
Add that aggressive, deep muscle car lope to your Coyote V8’s idle with our Ghost Cam calibration. This popular feature manipulates the factory variable camshaft timing (Ti-VCT) to mimic the sound of an aggressive, high-lift camshaft.
- No, standard idle.
- Yes, add the Ghost Cam file.
7. Tuning Device Options
Select your preferred HP Tuners device for remote flashing and data logging:
- I already own an HP Tuners RTD or MPVI device.
- Supply an HP Tuners RTD Device with 4 Credits (Includes all required licensing for your Mustang)
How the MAP Remote Tuning Process Works
- Order & Specify: Select your options using the builder and complete your purchase..
- Read & Send: Connect your HP Tuners device to your Mustang and use the software/TDN App to read your stock ECU file and send it to our tuners.
- Receive Your Custom File: We create your bespoke tune and send it back via the TDN network.
- Flash & Log: Flash the new custom file to your Mustang. Perform data logs during driving, and our tuners will provide revisions until the tune is 100% perfect for your setup.
Please Note: A compatible HP Tuners RTD or MPVI device is required to use this service. Tune revisions are included for 30 days from the delivery of the initial custom file to fine-tune performance and drivability.




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