The team custom builds every part for the first vehicle Ekstensive has ever built entirely from scratch, the heavy-duty, 1,500-horsepower buggy of Bill's dreams. As they finish one enormous build, they take on their next one, John Cena's Bugatti 57C.The team custom builds every part for the first vehicle Ekstensive has ever built entirely from scratch, the heavy-duty, 1,500-horsepower buggy of Bill's dreams. As they finish one enormous build, they take on their next one, John Cena's Bugatti 57C.