Hennessey also employed a 150-horsepower shot of nitrous oxide on its test car, but as that's not listed on the company's page describing the HPE750 upgrade, we aren't sure if it's necessary for ...

Rounding out Hennessey's trio of vehicles at the 2015 SEMA Show are: • The HPE750 Supercharged Mustang is the first and only 2015 Mustang to attain a verified top speed of 200 mph. One such car ...