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Uh.. no. At least not if you want it to pass any emissions test. Plus, if you did, it would leave a gaping hole in your exhaust system.
If it is leaking or rotted
emissions and exhaust
It depends how small it is, but usually yes. The co will go way up.
I doubt a holed exhaust will pass. Apart from an increase in engine noise, as the exhaust is not working properly, exhaust fumes could seep into the interior of the vehicle - affecting badly anyone inside the vehicle.
Probably not as the emissions test (Smog test) is carried out by inserting a sensor into the exhaust pipe.
Punch a hole in the muffler. (May cause you to fail a safety/emissions inspection) Ha ha.
No. The muffler is a passive component in the exhaust emissions system.
The smog pump is designed to help clean the air the exits the exhaust. It might actually be detrimental to remove it if you have to pass emissions testing.
No. If your vehicle can pass an emissions test, chances are that it's just a bad sensor.
The muffler doesn't have much to do with emissions. Some jurisdictions prohibit glass packs for noise reasons, but the exhaust going into the muffler is pretty much chemically identical to that going out. If a vehicle doesn't pass the emissions test with a glass pack muffler, it almost certainly wouldn't have passed with any other type of muffler either.
Yes it is part of the emissions system. It turns exhaust into lower emissions by burning any unburnt exhaust gases thus reducing unwanted emissions and Carbon Monoxide.