Ever since there have been Vipers, John Hennessey has been tuning them. Sometimes, it seems like his tuned cars are on the street before the production cars, if that's at all possible. And they were always incredibly bonkers. [...]
Source:
jalopnik
https://www.tuning-links.com/news_4396_Hennessey%26%2339%3Bs+2013+Venom+1000+Twin+Turbo+Has+1%2C120+Horsepower+And+Eats+Bugattis+For+Lunch.html