added a Flowmaster Super 44 this weekend
Monster Muffler in Longmont, CO put in the SI/DO. For the 2.5" tailpipes, I told him, "I like Fox Body Mustangs...can you work some of that magic on the exits?". I was pretty pleased with the result. I dislike big, chrome tips too.
For video, go here:
http://www.youtube.com/watch?v=Lb9qpGHJ1eo