Porsche Carrera GT-based 9ff GTT900 priced at impressive €452,000

German uber-tuner 9ff has revealed technical specs and pricing info on its new masterpiece. The 9ff GTT900 supercar, which is based on the Porsche Carrera GT supercoupe, is capable of running the 0-100km/h time in only 3.2 seconds and has an electronically limited top speed of mind-blowing 390km/h. This is 0.7 seconds less and 56km/h more than the donor vehicle can make. But look at the price of this thing!