Big block swapping a 1964 barracuda

The low deck is the easier of the two. What do you plan for exhaust? Nobody makes anything. B body and C body HP manifolds can fit pretty easily.
I had no idea, I was going to see how some block huggers would fit and if I couldn’t find anything I would either try a log manifold style or just stock manifolds until I can afford some really nice custom set that flows super well