Posted by Bimmer 540i on July 01, 2001 at 22:02:49:
(posted from: (24.112.136.171))
if i change 3 inch pipe after Y-pipe(downpipipe), 3 inch cat, and 3 inch muff. would i feel faster or...?? did anyone change yet?? how is it??? how $$$???
any tip to make car faster??? i have computer ,and super chg done.