The Mercedes C63 AMG features a 6.208L V8 engine that produces a massive 480 horsepower making it one of the most fun sedans we have ever driven.  Amazingly, you can get another 30 horsepower out of these...

This Porsche 991 Carrera S has circled back to us 4 years later which is pretty cool.  We originally used this car for product development by Agency Power that we designed exhaust components and an intake....

The Bentley Continental GT has been one of the best luxury coupes since 2004.  The massive twin turbocharged W12 engine makes 550 horsepower with 480 ft/lbs of torque.  Though heavy at over 5000 lbs, this...

The Porsche Panamera Turbo is a beast of a sedan with 500 horsepower coming from the 4.8L V8 twin turbo.  With the VR Tuned ecu flash, we give you straight beast mode taking you to 600 horsepower.  With the...