Today the company is introducing their HPE800 Twin Turbo concept for the 12C. The HPE800 Twin Turbo will include upgrades to the powertrain designed to reliably increase power to over 800 bhp.

Hennessey has revealed its latest, blindingly fast version of the Ford Mustang, in the form of the HPE800. Based on the Shelby GT350 variant of the Mustang, the Texas-based tuner - best known for ...

Prices shown are the prices you can expect to pay for a 2011 Hennessey Chevrolet Corvette Z06 HPE800 Coupe across different levels of condition. Edit options.

Prices shown are the prices you can expect to pay for a 2011 Hennessey Grand Cherokee Srt-8 Hpe800 across different levels of condition. Edit options.