The Hennessey Demon 1700 Twin Turbo is one of the most extreme American muscle builds we’ve ever created—and in this video, we take it out for a full test drive. Powered by a fully reengineered 7.2L twin-turbo HEMI V8, this machine delivers brutal acceleration, relentless boost, and the kind of raw power that completely changes the driving experience behind the wheel. Built with a comprehensive twin-turbo system featuring Precision turbochargers, upgraded fueling, reinforced drivetrain components, and advanced calibration, the Demon 1700 is engineered to handle massive power at every level. On the dyno, the car produced an astonishing 1,355 rear-wheel horsepower and 1,202 lb-ft of torque at 23 psi, putting it in a category few street-driven vehicles can touch. From the sound of the turbos spooling to the violent pull under throttle, this test drive showcases exactly what happens when Hennessey pushes modern American muscle beyond the limit. Limited to just 12 builds worldwide, the Demon 1700 represents a no-compromise approach to horsepower, engineering, and straight-line performance.