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I have the race exhaust with non resonated center pipes and it's definitely pretty loud. I believe the valves were only available on the sport exhaust. I heard that if you buy the race exhaust new from eisenmann you can have them install valves on it as a factory option, but I have never seen one before. I am planning on installing downpipes down the road and will probably have an exhaust shop weld in a set of electronic valves that hook up to the garage opener buttons.
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