Akira Nakai is the man behind the tuner RWB – Rauh-Welt Begriff, which is loosely translated as "Rough World Concept," and he doesn't often climb out from under one of the 930 or 964 Porsches he ...

If you want something extreme – and you have a big enough budget – companies such as Brabus, Rauh-Welt Begriff and Mansory (one of its takes on the Mercedes-Benz G-Class is pictured here ...