I just got my car back yesterday from my buddy. He installed 4" v-band clamps on my exhaust so I can remove it easier at the track and installed a 3" to 4" merge in the y-pipe. The car seems to be fairly similar at idle but under load, wot, and revs sound wicked now!!! Here are before and after vids.
Before
http://www.youtube.com/watch?v=5qKf2d04Re0&feature=related
After
http://www.youtube.com/watch?v=XeZaxLOENJY&feature=channel
Before
http://www.youtube.com/watch?v=5qKf2d04Re0&feature=related
After
http://www.youtube.com/watch?v=XeZaxLOENJY&feature=channel