Repaired exhaust manifold questions

the repair will hold and last. as far as being restrictive? well the 1 inch by 2 inch patch could be, but it is hard to tell without seeing it. are you able to see in it or are they installed now? if you can look into it with a inspection mirror or an optical scope to see the repair. if nothing else seeing as you said that the prices are much higher now for replacements then i would just keep useing them unti lyou could see to get another pair. the paint or coating should stick just as good i would think if primed.