On the B6/B7 S4s we blocked the vacuum line to the muffler valve to leave it open all the time.
07-04-2006, 04:06 AM
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On the B6/B7 S4s we blocked the vacuum line to the muffler valve to leave it open all the time.
Any reason not to do that with the RS4? I always want the sound, but not always the sport throttle mapping.
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