I NEED to know what exhaust set ups these are...Ive been dying to know since years ago when these vids came out...


...someone please gotta let me know
first at 5:06 and 5:14
http://www.youtube.com/watch?v=SfXzBetX_1Q
second may be the same car but not sure... check it at 4:37
http://www.youtube.com/watch?v=E8uIA...eature=related