Mazda MX-5 Miata dual plenum turbo intake manifold – Part 3 – Velocity stack, Air horn, Trumpet

Part three of creating CAD model of a dual plenum turbo manifold for Mazda Miata MX-5. Small but important part. The velocity stack, or also known as air horn and trumpet, helps the air flow the get into the inlet tract with minimum restriction and turbulence. This increase the effectiveness of the engine.The length of the velocity stack is usually used to fine tune induction system.