At one point during the supposedly impromptu drag race on an empty public street, police cars can be seen blocking off the side streets.
The Hennessey Exorcist is based on the Chevrolet Camaro ZL1. It has a 6.2-litre supercharged V8 engine making 1000 horsepower and go from 0-60 in under three seconds. Top speed is somewhere above 200mph.
The RTR kit on Jeremy Clarkson's car can be fitted to any V8 Mustang in North America, but availability is limited in the rest of the world.
The RTR Mustang Spec 3 is based on a standard Ford Mustang GT and fits the 5-litre V8 with a supercharger to make 720 horsepower. RTR doesn't quote performance figures but the regular Mustang can do 0-60 in under five seconds and hit 155mph, and this one is faster. Much faster.