As far as slip on pipes, I got nothing.

 

I think they all perform about the same. Your exhaust is either free flowing or it isn't on a motorcycle.

Muzzy's are pretty well known for their quality, but I have found most of them to be all of good quality. I went with the q4 because it was supposedly the quietest and love it. Not too loud but not too quiet either.

Anything is better than stock

 

Cool, thanks for the info Deej and BigSky. My dad was of the opinion that it didn't really matter either. I just wanted to check with you all to make sure.

I'm hoping I will get an open job at my unit soon so I can get my bike =0). I guess we'll see.