Ford Mustang Darkhorse Stage 1 S650 5.0L V8 ECU Tuning 2024+

Ford Mustang Darkhorse Stage 1 S650 5.0L V8 ECU Tuning 2024+

SKU: S650-DH-STG1
799.00 GBP In stock Buy at Merchant

Unleash the full potential of your EU/UK-spec Dark Horse. Our bespoke Darkhorse Stage 1 calibration delivers a verified +14.5 WHP gain on 100% stock hardware. By optimising the Gen 4 Coyote software for 99-octane fuel, we eliminate factory throttle lag and restrictive “flat spots,” providing the sharp, aggressive response your Mustang deserves.

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Takes ~2 minutes. No storefront changes.