The extra length means the load bay area is so expansive that Ikea's biggest flat-pack wardrobe would be no challenge for this particular vehicle. The Dodge RAM TRX it uses as a donor machine isn't exactly a shrinking violet itself, with the eight-cylinder powerplant in the tuned four-wheel SUV producing 702bhp. However, the addition of a 2.65-litre supercharger, high-flow fuel injectors and upgraded induction system, Hennessey has wrangled and extra 300bhp out of the V8 engine. The Texas-based car maker already sells a four-wheel Mammoth 1000 TRX with the same engine specification, which is claimed to be capable of accelerating...