Seller notes

Exhaust Downpipes1968-1972 Oldsmobile 442400 and 455 Big Block Oldsmobile EnginesFits Factory 2.250 in. Cast Iron Manifolds2.500 in. DiameterPre-Installed 2-Bolt Flanges16-Guage 409 Stainlees SteelPair Pypes Performance Exhaust DOF10S Features:These 16 gauge Stainless Steel Mandrel Bent downpipes fit directly onto factory cast iron Manifolds. True 2.5 inch downpipes that connect to your stock 2.25 inch manifolds. Fits 68-72 400 and 455 cubic inch engines or earlier models with late style manifol...

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