Quote:
Originally Posted by Vettezuki
Crazy ass tangent.
We know that some (super fancy race) engines utilize variable length intake runners. Most modern super bikes use this technology. Has there ever been an engine with variable length exhaust?
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I do not know about variable length, but I do know of late model ferrari and the corvette z06 have computer controled exhaust flaps to tune the velosity
at different rpms and load conditions.