Quote:
Originally Posted by jimbethesda
Then you're turning off more than ASD. ASD is sound through the speakers.
You're now talking about changing the way the exhaust is handled?
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The M sound button does run through the speakers like you mentioned but it also controls the exhaust flaps. So yes I am talking about the way the exhaust is handled through the M sound button. If it’s closed the exhaust doesn’t breath freely and I was wondering if that affected the horsepower since it is closing the exhaust flaps when you turn it off. Usually more flow more power.