Advice on 440 into 74 Duster exhaust

Vamisk said

Since I already own the manifolds I was thinking about just using those but are you saying that the drivers side HP manifold won't actually fit?

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'68-73 B/E HP manifolds will fit an RB block in an A-body IF you shorten the outer sleeves of the steering column up to the firewall.

My point was that whether you own the manifolds you have to consider their value. You either need to buy them OR you could sell them...