This custom Triumph Speed Twin 1200 motorcycle breaks out of the "stock" classic roadster tag and goes Hulk mode. Its insane modifications even make it a force to be reckoned with on the racetrack.

One of the most powerful Harley-Davidson motorcycles you can buy today is the CVO Road Glide ST. But what would happen if you put a supercharger on it? That's what the guys at Blockhead have done ...