To snorkel or not dual snorkel?

I'm about to put one on my '70 Duster but mainly for function, my 10.5:1 360 needs fresh air badly (pings a bit on really hot sunny days). I think they're one of the coolest looking factory scoops, very "contemporary" IMO and they go with the body/hood lines better than the big boxy Six-Pack style. And the earlier double-scoop setup would be tough to plumb in fresh air to the air cleaner the way they are located.