
Underground Racing and Heffner Performance are tuners well known for their ultra horsepower twin turbo builds. They are especially well known for building 1000 Read More >>

We recently attended the StreetCarDrags.com event held at Palm Beach International Raceway on May 6, 2012. This is the 3rd Read More >>

Big power, little package. That’s what the industry is touting for the 2014 Cadillac ATS-V compact luxury performance sedan. Despite Read More >>

A stock 570 horsepower Lamborghini Gallardo and 530 horsepower Nissan GTR are generally quick enough for most people. However, there Read More >>

As we predicted a few months back, the 2012 Mercedes-Benz CLS63 AMG will run the 1/4 mile in 10 seconds Read More >>
We finally got a little cooler weather here in South Florida (high 60s – low 70s) and had the opportunity Read More >>
2012 Mercedes Benz E63 Options and Features* (Prices and Equipment subject to change and availability) 2012 Mercedes Benz E63 AMG Read More >>
After getting rained out two days ago, tonight we were finally able to drag test a 2012 Mercedes CLS63 with Read More >>
Below is a video of a RENNtech tuned 660 hp 2012 Mercedes CLS63 accelerating from 0 to 130 mph (210 Read More >>
Tonight we took a RENNtech tuned 2012 Mercedes CLS63 AMG to the dragstrip at Palm Beach International Raceway (PBIR). This Read More >>