Witness the 1,000-horsepower Hennessey Exorcist Camaro ZL1 shredding tires and redefining speed with its jaw-dropping performance. Hennessey Performance, the Texas-based powerhouse behind some of ...

Hennessey’s 2017 Exorcist saw power rise to 840bhp, but the Final Edition takes things to a new level. Thanks to a host of hardware changes, an ECU tune and the use of high ethanol E85 fuel ...

The Exorcist's huge performance comes courtesy ... On top of the Camaro ZL1’s £49,000 purchase price, the Hennessey upgrade will cost a further £44,000 (or £51,000 for the auto), so heavenly ...