Weird Hemi Header set up

[RustyRatRod]

Also, the cars had to run full exhaust all the way back. What’s behind all that spaghetti is a small single pipe that runs over the rear to a cross mounted muffler behind the bumper. Reason for the cutouts, didn’t have to be connected, just there, and light

That's right. Much like the 68 Hemi Darts and Cudas. They had a similar exhaust with a single pipe.

 

[hemi71x]

I think the pontiac 421 super duty used something very similar. Cast iron for nascar, aluminum for swiss cheese cats.

Got curious.
GOOGLED 421 Pontiac Super Duty Exhaust.

 

[RussellSullivan]

If your saying that of me, (hemi71x) then ya, i had both the Long Ram, and Short Ram, versions of those intake tubes, in my collection of parts.
But all that, was a long time ago.

No sir, just saying "you" as a general statement

 

[Ceedawg]

Back in those days the factory had most if not all the hypo stuff. Cams and related parts, gears, carbs and intakes were about all you cold buy aftermarket. Changed fast though