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Reply to "Header color question"

the merge portion of these headers is well done for the price the extension and flange are the issue. if you go in to the header with a grinder most of the restrictions can be removed. if original is not a problem, remove the extension, and tail pipe to muffler and replace with 2 1/4'' or 2 1/2'' . original exhaust on a 351c 4v mustang was 2 1/2 to muffler 2 1/4 tailpipe for a reference....Rocky's engine is @5oo+ hp 17/8'' pipe is way to small.

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