2013 Viper GTS with Hennessey Venom 700R Upgrade Test Drive

Introducing the 2013 Viper GTS with Hennessey Venom 700R Upgrade. For more information please visit or call . Want to learn how to make fast cars go faster? Check out Tuner School where our classroom includes a 1/4 mile dragstrip! Hennessey Powered by Pennzoil - To be the fastest, we use the best ingrediants for maximum, reliable horsepower. That’s why all Hennessey vehicles use Pennzoil Ultra synthetic motor oil.