Although the original water-cooled 3.4-liter flat-six still ran well, Sipson decided to ditch it in favor of the K24. In stock ... custom-built the car's intake manifold. Extra fuel supply comes ...

There's a twin-scroll turbocharger hanging off the exhaust, and Sipson custom-built the car's intake manifold ... with the K24 screaming away in The Drive's latest episode of "Carisma" on YouTube.