The thing about having an enormously powerful car is that it’s often faster than the average road is capable of containing. That doesn’t mean, however, that people with heavily modified cars can’t use them to the maximum of their capabilities. Sometimes it just takes a while.

Barry Bigwood is the proud owner of a 2012 Nissan GT-R, but he wasn’t satisfied with owning a stock car. He, therefore, sent it off to England from his home in South Africa to have it extensively modified around 2015.

Thanks to a new crankshaft, rods, and pistons, the V6 engine is now displacing 4.1 liters, rather than the standard 3.8. The valve springs were also changed to allow the car to run safely to 8,000 rpm, the turbochargers have been replaced, and it now runs on ethanol. All of which means, Bigwood estimates, that the engine can pump out around 1,200 hp (895 kW/1,217 PS).

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In order to deal with that extra power, the car’s transmission has also gotten a thorough going over. It has straight-cut gears and a new main shaft and secondary shaft, which he says should make it capable of handling up to 2,000 hp (1,491 kW/2,028 PS).

Bigwood says that the car underwent a first set of modifications in England, and then another since then. It’s unclear what happened when, exactly, but when it was still in England, it was run through the quarter-mile and finished the sprint in a little under 10 seconds.

That was enough to beat a Bugatti in a drag race, which pleased Bigwood enormously. Better still, he says it should be even faster now. For all of that speed, though, he hasn’t really had a chance to experience the full force of it.

“I don’t race it,” explains Bigwood, “but I do, now and again, do naughty things.”

However, Bigwood decided this year that it was time to do something else with his GT-R. He decided to drive a little more than 800 km (497 miles) to Uppington airport, which has a nearly 5 km (3.1 miles) long runway and sometimes allows people to run their cars on it. There, he managed to tick an item off his bucket list and ran the car at over 200 mph (322 km/h).