Heffner-Tuned 850HP Ultima GTR was Born to be Hooned

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A machine that deserves to be treated like the wild animal that it is.

The Ultima GTR was designed to have masses of downforce, a body weighing less than 1,000 kg and output of 640 hp. An epic combination by most standards, but not enough for Heffner Performance. Improving on the power-to-weight ratio that in stock form already exceeds that of a Bugatti Veyron and Ferrari Enzo, Heffner added a twin-turbo system to give the Ford GT-sourced V8 a whopping 850 hp.

Taking delivery of his freshly fettled supercar, the owner decided that, despite the rain, a good old fashioned hoon was the order of the day.

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