Custom HPTuners tune from Shoemaker Performance for the 2026+ Ford Mustang Dark Horse SC and GTD. Choose the tuning level that matches your build.
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Level 1: Stock engine configurations and basic bolt-on modifications with the standard fuel system and injectors. Supports 91-93 octane fuel.
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Level 2: Extensively modified or built engines, including upgraded fuel systems, aftermarket injectors, and alternative fuels such as E85 or race gas, for maximum performance.
Please note: HPTuners compatible only.
Fits: 2026+ Ford Mustang Dark Horse SC and GTD
