Stock Header sizes

By 2dooryuko
November 13, 2006 in Ask A GM Technician

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2dooryuko

Posted November 13, 2006

Hello...im looking to put exhaust dumps on my truck off the header that will allow a bypass for free flow rather then to the exhaust for when i go to the strip....i was wondering what the stock size for a 350 5.7l header outlet would be in in'....thanks

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