Yeah some sound ok, 2v 5.4s sound nice straight, but not glorious either.

Your advantage of the tailpipe exiting from out under to outside, with the tip, really helps.

To get nice sounding straight pipe, need to true dual and X pipe it.
http://www.youtube.com/watch?v=W5N6-...eature=related

 

I watched that on youtube awhile back and read that he had something else wrong with his exhaust and only ran it without the muffler for a bit to see how it sounded. I believe this is the same video but cant recall. Please correct me if I'm wrong.