And a remarkable 650 lb-ft of torque. Texas-based aftermarket tuner Hennessey Performance Engineering has unveiled its take on the S650 Ford Mustang Dark Horse, equipping the sporty pony car with a supercharger that takes grunt to 850 horsepower. The new creation has been dubbed the H850 and boasts a high-flow ...
View more: S650 Ford Mustang Dark Horse Gets 850-HP Supercharger Upgrade