A twin scroll turbocharger uses two turbine wheels connected to a common shaft to improve performance and reduce lag.

Question

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A twin scroll turbocharger uses two separate turbine housings, each connected to one of the engine's exhaust manifolds. This design helps to reduce lag and improve performance by keeping the exhaust gases separate and preventing them from interfering with each other.

A Twin Scroll Turbocharger Uses Two Turbine Wheels Connected to a Common