My exhaust needs to be replaced, and I am going to eventually swap the motor for a SVT Cobra motor, so want to make sure I get performance exhaust replacement done now so thats its a smooth transition then. Any recommendations on moderately priced dual exhaust systems for an extended cab Econoline? Can someone tell me if the exhaust manifolds are all designed to connect to the exhaust in the same place in space? or is all of this different and I would need to switch the exhaust manifold now and not wait until the engine swap?

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