Thread: 59AB - Headers vs stock exhaust manifolds?
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Old 04-12-2023, 09:23 AM   #18
Bill OH
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Join Date: May 2010
Posts: 427
Default Re: 59AB - Headers vs stock exhaust manifolds?
I had a 61 Ford with a 352ci, stick shift w over drive, 2 bl card and single exhaust - top speed 104. Added dual exhaust - top speed 113. Added 4 bl and top speed 120.
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