Go here:
http://www.xoutpost.com/userpage-user774.html and click on link at the top
or here:
http://www.ekaz.net/X5.htm
Exhaust pics are at the bottom and the sound clip will happen if you click on the noise pollution link under the pics. Enjoy the view of my garage wall too.
Edit:
Here's the parts list from the original thread.
Muffler: Flowmaster 50 series dual inlet/outlet (524554).
Info on Summit Racing website
Tips: Magnaflow (35167)
Info on Magnaflows website
Parts and install put me right around $500. I'll get pics and sound clips up as soon as I can.