Hennessey is an extremely greedy (no pun intended) aftermarket developer, who would do everything to give you more power, so you can imagine the excitement felt by the company when it got its hands on the meanest incarnation of the Chevrolet Camaro, the ZL1. The muscle car’s 6.2-liter supercharged V8 can be offered in four stages of power. It all starts with the HPE650, which uses a cold air induction system, a new intercooler a... [...]Source: autoevolution