Hennessey’s latest creation is built ... unveil the Challenger SRT Demon before introducing The Exorcist. Based on the 2017 Chevrolet Camaro ZL1, power from the V8 engine has been increased ...

The sixth-generation Camaro ZL1 is a potent performer in standard form, producing 650bhp from its LT4 6.2-litre supercharged V8. Hennessey’s 2017 Exorcist saw power rise to 840bhp, but the Final ...