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 ...

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 ...

That said, the Escalade-V H1000 is on a whole other level. Hennessey likens the H1000 to a “four-door SUV Exorcist,” adding in things like ported cylinder heads, new lifters and pushrods ...