Problem. I don't think so
Yes they will test even if it has a hole. As long as you are getting exhaust out the exhaust pipe you have ten days to retest if it fails.
Probably not.
It is called an emission test precisely because the emission test the amount of global warming gas coming out of the muffler tail pipe, it needs to be able to check to see if the catalytic converter is working
No you have to get it fixed before you go to get it smog tested
Probably not because of emissions but if you fail you have 30 days to retest.
Thanks! Your answer is awaiting moderation.