2012 Hennessey McLaren MP4-12C American tuner Hennessey Performance, this time they decided to tune McLaren MP4-12C to a higher level performance. 2012 Hennessey McLaren MP4-12C will be powered by the HPE800 Twin Turbo engine, which will be capable of producing 800 bhp.Coming to the body work Hennessey Performance using a aerodynamic package to make the [...]