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2015 operated differently. That goes beyond my personal experience but from what I've read the 2015 sport exhaust activates when you enter Sport (driving) mode.

Another (disappointing) thing is that a part of the sport exhaust sound enhancement is not directly to the exhaust but a sound chamber at the firewall to force sound into the cabin. Well, at least it isn't playing into the speaker system!!!

With everything that has been written about sport exhaust here I continue to become more confused. I had obtained certain beliefs from my salesman and the manual. It seems that either I misinterpreted or there is reason for the confusion.

And with that I open the discussion to those more knowledgeable than I.
 

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I did WaveTech's bypass and have NOT had any CELs, what I DID have, was that it disabled the econo start/stop function. I assume that it think's it's in Sport Mode (which automatically disables s/s). For me, this was a BONUS b/c I consider that a useless feature, and am annoyed that I have to press a button to deactivate it every single time I get in the car.
 
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