here is the borla XS ( their quiet muffler) on my 02 and they are dumped. Put them on a full exhaust and they sound super..like a big block. Very high quality too. I've always loved flo's but these sounded better. Heres some idle, a 1/4 mile and a 1/8 mile sound
http://www.youtube.com/watch?v=lwplBqoUXTo
http://www.youtube.com/watch?v=Hon7YWUM-AU
http://www.youtube.com/watch?v=lwplBqoUXTo
http://www.youtube.com/watch?v=Hon7YWUM-AU