First off you might try this question in the Accent/Excel forum you might get a better response but i'll try my best. If you are looking for like a catback exhaust any good muffler shop can bend one of those out of whatever size pipe you want. If you are looking for a header, specify the year of your car and you'll get a better response.
Also Welcome to the boards <img src=/images/forums/snitz/thumbup.gif width=25 height=18 border=0>
<hr width=60% noshade size=1 align=left>Don't run past a dollar, while chasing a penny.