A triple-turbo Mustang nicknamed “Vicious,” Johan Eriksson’s Viper V10-swapped Dodge Charger, and a roughly 3,000-horsepower build called “Doughboy” headline this roundup of extreme muscle car builds that abandon every factory limit entirely. Commenters loved the raw engineering but split hard over one car’s wheel choice. See which build the comments ultimately crowned the most jaw-dropping of the three.