Now you may not think that this has anything to do with the modification of cars, but you could be wrong, as the Prius is a hybrid motor and therefore has to be considered as modified car and the mower is a racing mower, and there have been plenty of modifications going on in there too.
A hybrid car is never going to be a seriously fast car, the whole object is to conserve energy and therefore the car is not going to be able burn off a




