- G1 - NOS Exchaust Dual Manifolds into One 6" Flex Pipe with Welded on Connectors- 1 3/4" I.D. at Flange / 2" I.D. at Connector- 6" Double Braided Flex Pipes- $50.00 each Exhaust Manifolds w/Flex PipeSKU: S1-E-G1$50.00PriceQuantity*Add to Cart