early V8 exhaust manifolds

FISHYPETE said
An old set of 360 exhaust man. would work on a Barracuda. Less restriction than273. Or would a Vaiiant be different ?
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Hooker makes a great set of Longtube mandrel bent equal length headers for the 64-66 Barracuda 273 motors:

Hooker Headers 5208HKR Super Comp. Header 64-66 BARRACUDA DART VALIANT 700414009810 | eBay