"The 2018 Demon is a street-legal rocket from Dodge, but we wanted to take the car's impressive track times to an industry leading level." said president and company founder, John Hennessey.

"Hennessey unleashes a monstrous Dodge Demon upgrade, doubling horsepower. Rated Red is your go-to channel for everything ...

Struggling to place the Demon? Think Dodge Challenger Hellcat ... If you’re wondering where Hennessey could go with such a car, then think engine tuning, new headers and supercharger upgrades ...

Dodge’s insane Challenger Demon might be attracting most of the muscle car attention. With just one seat, 850bhp and the ability to do wheelies that’s no great surprise. But Hennessey ...