Here's a quick sound bite of the Super Turbo's on mine. TTI headers, x-pipe, 3inch to mufflers, 2.5 inch tailpipes.
http://youtu.be/GawehCx9E28
And one of getting into the throttle a bit. Recorded with driver's window down only and recorded from passenger seat
http://youtu.be/XHVhB0nilYs