My 440 Build. Which intake and WHY ?

If you are looking for performance, Spend your money on a 3000 -4000 converter. That will wake the car up The parts you have will not work with a stock converter. I don't car what intake you buy it will be a pig with that converter. Seeing numbers on paper never equate to reality in the seat of your pants. If your going with one of the two above. The RPM is better but not with a shitty converter. Good converters let you feel the power not just wish for it.