Description
Stage 1 Custom SCT X4 Tune File – 2017 Mustang GT 5.0 (98 RON Fuel)
Unlock the full potential of your 2015-2017 Mustang GT 5.0 with our Stage 1 custom tune for SCT X4. This tune is specifically designed for vehicles equipped with a high-flow catback exhaust and a larger cold air intake, running on 98 RON premium unleaded fuel.
Perfect for mild bolt-on setups, this calibration improves performance, throttle response, fuel economy, and overall drivability, while maintaining safe engine operation. Delivered via email and ready to load onto your SCT X4 device.
✅ Features:
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Stage 1 calibration for intake & exhaust upgrades
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Tuned for Australian 98 RON fuel
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Improved throttle response, drivability, and power curve
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Suitable for both manual and automatic transmissions
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Optional datalogging support for fine-tuning
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Compatible with SCT X4 (7015) tuning devices
📦 What’s Included:
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1x Stage 1 custom tune file (emailed)
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Support for loading and installation
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Optional: datalog-based revisions or additional tune variants












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