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2 inch versus 2 1/2 exhaust
:confused I am "doing" my 69 390/427 and part of that is replacing the exhaust system. Can I replace the existing system with a 2 1/2 inch system on the same manifolds? The manifolds seem to be 2 1/2 inches with a reducer as part of the pipe assembly. Has anyone had any experiences with the...- vette427
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- Forum: C3 Technical and Performance