A twin-turbo and a twin-scroll turbo, for instance, can easily be confused for each other as they're both very similar — and very different. A twin-turbo, as speed-hungry petrolheads will know ...

This doesn’t mean the twin-scroll turbo isn’t a meaningful breakthrough in the world of forced induction. Quite the opposite: twin-scroll turbos offer all the benefits of turbocharging with ...

Instead of a single spiral chamber (scroll) feeding exhaust gas from the exhaust manifold to drive the turbine on each turbocharger, the engine’s twin-scroll design has a divided housing with ...