you want a set of the original style rams horn manifolds, as Roy describes they exit at the center, fit perfect and work well, from the first 55 V8 up to at least late 60's, maybe 70's - like this, the vette 327 used a 2.5" that's best
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics
