Thread: 59AB - Headers vs stock exhaust manifolds?
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Old 04-10-2023, 10:22 AM   #7
Ol' Ron
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Default Re: 59AB - Headers vs stock exhaust manifolds?
John Lawsons Book has a series of tests that shown tha duals ans headers offers nothing than aesthetics to the car. They look good and sound good. Nothing wrong with that.
Gramps
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