I'm a bit lost on all the exhaust system lingo. Differences between cat-back vs. turbo back exhaust? Down pipe vs. test pipe vs race pipe? Maybe you can help me unserstand what all this means.

Check out this thread I made in the Mazdaspeed section, it should answer your questions-
http://coloradomazdaclub.com/forums/index.php?showtopic=89

I'm probably going to move this thread over there...

<div class='quotetop'>QUOTE (arctic_blue83 @ Sep 30 2007, 12:02 PM) [url=index.php?act=findpost&pid=2515]<{POST_SNAPBACK}>[/url]</div>

Check out this thread I made in the Mazdaspeed section, it should answer your questions-
http://coloradomazdaclub.com/forums/index.php?showtopic=89

I'm probably going to move this thread over there...[/b]

nice write up man.