Exhaust Manifolds

Dan the man said
My big fingers, I meant to say 340's

ha ha. rrriiiiigggghhhhttttt.

and you wouldn't use 340 manifolds why?

please explain your position on this so that we may all roundly ridicule this statement. or is this one of those things where you just got back from a peyote retreat in joshua tree and you're still hearing colors and seeing sounds?