i've got 2 Carter 2bbl's hanging around.

everybody here throws around the term, BBD. is that a specific Carter, or is any Carter 2bbl a BBD?

i have a 2361 and a 2425. the base plate footprint looks identical to me. neither has the hole in the butterfly plates.
are either of thesethe correct 2bbl for a /6?

which would be a better choice, and why?

it will be living in an A108, behind a 3 speed trans. it'll be mated to a set of Clifford shorty headers. i'm undecided if i'll do duall exhaust all the way back with an X/crossover, or a Y pipe.

would a Y pipe be best located b4 or after the muffler?

D~~!