The name means nothing to me, just the proven design that was used. What is wrong with using the hi-po manifolds? I know they're not as good as a header but they must flow pretty good because chrysler used them on all their high perf. motors.
Random question, how old are you guys?
Project War Bird:
1971 Plymouth Roadrunner
383 4 speed with air conditioning
GY3 Curious yellow
All original