Need dual exhaust for my /6

the best thing you can do for the performance is to split the front and rear exh. ports the best setup I'v seen sofar is the dutr duel setup hear is a link

http://www.dutra.org/doug/doug-sl6-exhaust/dutra-duals.htm

I'f interested your best bet is to contact Mr. dutra at slantsix.org his screen name is "doc"

or you can always do headers but they can be a pain on the /6