To get the most out of a Porsche exhaust system, it has to be tuned to a tone that would likely get its owners in trouble with noise ordinances in their well-heeled neighborhoods. But Porsche doesn’t want its enthusiasts to drive tames cars, and it developed a new adjustable sports exhaust system for the Carrera and Targa 4.
The heart of the system is the exhaust flap on each main silencer activated by the engine’s electronic control system and switching over to a more sporting sound as soon as the driver activates the sound mode. The system itself is activated by a separate button in the center console varying the sound of the exhaust as a function of engine load, road speed and engine speed.
So the price to have all this control at your fingertips, a paltry $2500.Source URL: http://automotivetrendnews.blogspot.com/2009/01/911-carrera-and-targa-4-get-new-sports.html
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