well, i have an intake and i'm piecing the next part of the I/H/E/HI-Flow Cat...that's why i'm asking about the custom. i was wondering which will be most efficient. so far it seems custom is more cost effective.

f22b bomber...YES I SEE THAT FAGGOT FART CANNONS ON CIVICS DAY IN AND DAY OUT. i'm up in kendall, where you at?