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The Koenigsegg One:1 will debut in China at the Beijing Auto Show, and the company has put a lot of work into the world's fastest production car.

Christian von Koenigsegg explains in the Drive video posted below that they are just getting it finished in time for its Geneva debut.

They used 3D printing to create the turbocharger housings, as well as the one-piece titanium exhaust. Check it out in the video below: