has anyone tried this conversion?
i'm looking at a dual pipe back box from Eisenmann, but it looks to me like they would only fit a 6-cyl engine with 2 pipes coming from the exhaust manifold. is it possible, by using a Magnaflow Y-pipe, to go from a single pipe off the exhaust manifold, to a dual pipe back box?
here is what i'm looking at:

with the Magnaflow Y-pipe:

is it at all possible?