They would need to be super tiny cylinders to be a 4 cylinder and stay under the 1000cc thresh hold, and at that point a triple or dual with bigger cylinders would still be a better option...….The pro is not NA. They are all Turbo. The next step is a 4 cylinder and incresed electronic suspensions and 72" models. They are nowhere near a performance peak. They are on the cusp of huge innovations.
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