Roush's $10,339 Kit Makes 810 HP, Beats Ford's Dark Horse SC

Roush has rolled out a supercharger kit for the 2026 Ford Mustang GT and Dark Horse. The kit produces 810 hp and 630 lb-ft of peak torque. It includes an Eaton TVS R2650 supercharger, intercoolers, and high-flow fuel injectors. The kit retails for $10,339 and comes with a 3-year warranty. It undercuts the supercharged Mustang Dark Horse SC, which starts at $108,485.