Well I don't know if mine would be considered exotic but I know it doesn't sound like a V8. I've been told it is actually kinda ricey in the upper RPMS, that wasn't exactly what I was going for but I still love the sound. 2011 V6 Mustang Start up and Rev before and after BBK LT Headers W/ Catted X Pipe - YouTube
There is a link to what it sounds like now. Just so you know that was recorded on my phone, the Galaxy S3.
2011 V6 Black Mustang Automatic: Magnaflow Competition Series Cat-Back Exhaust, Airaid Cold Air Intake, Raxiom Smoked Projector Headlights, Raxiom Smoked Aero Tail Lights, 93H-R3.1 Bama tune, BBK Long Tube Headers, BBK Catted X Pipe