Read The Article » Motor AuthorityHennessey Demon runs the quarter mile in 9.38 secondsMotor AuthorityHennessey once looked to exorcise the Demon with the Exorcist based on the Camaro ZL1, but now the Texas tuner is embracing the Demon. The Dodge Challenger SRT Demon has been receiving attention from Hennessey's wrenches, and now the company is ...