Heffner Performance out in Sarisota Florida has just built a 900 horsepower twin turbo Dodge Viper. Heffner Performance is known for making the fastest Vipers in the world. Heffner is also the only Viper tuner to use an engine management system to regulate the boost and fuel for the twin-turbo set up. So if you want a bullet proof Viper, head on over to Heffner Performance, they are the best!

Just this past weekend in Exotics Rally Miami a custom Ford GT has set a record speed of 266.93mph. The Ford GT is said to be pumping out 1900 horsepower at 41 pounds of boost. I'm just mind boggled to hear this, I would of never thought a Ford GT would be able to handle that amount of horsepower. Check out the video down below to see the 1900 horsepower Ford GT in action.

Not a muscle car I know, but it's pretty big car news and it has to be posted on our muscle car blog. Just this past week a 2008 Lamborghini has broke the 250mph barrier in Texas. The owner Richard Holt pulled down a 250.1mph run, the twin turbos on the Lamborghini helped achieve this moment in automotive history.