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      10-23-2015, 05:52 PM   #15
Nate@IND
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Drives: BMW
Join Date: Oct 2006
Location: Chicago

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Quote:
Originally Posted by F85FTW View Post
That's perfect ! Not much louder sounding then stock exhaust plus downpipes but better tone. Any drone on highway?
Luis sent me this reply regarding the overall tone in the cabin-

The cabin is quiet. Like stock when valves are closed, an about 10% louder inside when you gas it.

With valves open in sport plus mode you definitely can feel the bass from the exhaust but i would not even begin to call it drone.
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