Just removed my cats to have O2 bungs welded in for wide-band O2 sensor. My local dealer does not have the exhaust gaskets in stock and will take a week to order and get in. Am I taking too great a risk of exhaust leaks by re-using the gaskets. It's kind of a pain to get the cats off and I'm looking forward to having to take them off again because the re-uesd gaskets are leaking. Has anyone had good results re-using the gaskets? or is it not worth considering?