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Ford Mustang Ls1 Transplant

American Racing Headers utilized 1 3/4-inch primaries that are stepped to 1 7/8 inches.
Ford Mustang LS1 Engine Transplant - The Orphan - Part 3 - PHR Project Car

American Racing Headers utilized 1 3/4-inch primaries that are stepped to 1 7/8 inches.  View Related Article

 

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