Variable-length intake runners aren’t s particularly new concept. You see, variable intake runners can be found in all sorts of cars. Toyota has TVIS, BMW has a system that is called DISA, and Fiat Chrysler has the Active Intake Manifold found in big V8 Chargers.
Usually, these systems contain a valve which diverts air from a short to a long intake runner. However, Ferrari’s system is a bit different. But, we’ll leave it to Engineering Explained to give you the rundown.
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