1968-1973 Buick GS350 V8 OE style downpipes connect to your manifold..Aluminized steel construction, 2 bolt manifold connection flange
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![Hottexhaust 16442B_ Buick GS 350 downpipes Hottexhaust 16442B_ Buick GS 350 downpipes](https://cdn11.bigcommerce.com/s-ce7a2/images/stencil/500x659/products/53947/45611/16442__92719.1375845566.jpg?c=2)
1968-1973 Buick GS350 V8 OE style downpipes connect to your manifold..Aluminized steel construction, 2 bolt manifold connection flange