Wanted Right side 340 HI-PO exhaust manifold
Check out this online story about manifolds, their affect on HP output, and some of the more popular headers.
I am still searching for the manifold test with two right-side manifolds. It really is the telling number for the difference in the manifold effectiveness on the two sides.
I'll keep looking.
Bill
PS the "hi-po" 340 manifolds showed a MAXIMUM of 4 horsepower increase on this 300HP Magnum over 360 manifolds. Not much...