Intake manifold question: Offenhauser 5489 or DB4 for 65 273?

I ran an Offy High Rise 5699 on a 64 Barracuda with a warm 273. Offy made a few other manifolds for the 64-65 273 heads. the 5489 low rise, 5748 high rise TQ, 5609 low rise TQ, and a couple dual port manifolds. I have not run any but the 5699, but it ran very good with my combination. The D4B was Chryslers' upgrade back in the day. From the offy, I went to a stock 71 TQ and manifold and 360 heads. Good Luck.

Catalog - Offenhauser