Yes, a car can be driven without a catalytic converter. However, it is illegal to drive a car without them because of emissions.
Can? Yes. Should you? No. It is illegal to drive a car that came equipped with a catalytic converter without one. There is no benefit to removing a converter from a modern car.
No.
Yes and No. A dealer should not be able to sell a car without a catalytic converter. However, the dealer should assume that every car it purchases has a catalytic converter. Therefore, if the dealer was unaware, then the dealer has no liability in selling a car without a CAT. Ultimately, the liability lies in the individual whom removed the catalytic converter in the first place.
If you drive your car without a catalytic converter, you can be pulled over and given a ticket. You cannot drive your car with a lot of noise, it's considered a violation of the noise ordinance.
No, it is illegal to remove the converter. The car will also not run correctly without the converter in place.
It's illegal to sell a car anywhere in the U.S. without a catalytic converter. It's a Federal, not State law
catalytic converter
Your car will not run better and you will get no better mileage. In fact you car will not run correctly without the converter as the ECU will not be able to adjust the correct fuel/air mixture properly without the converter on place. Know that is illegal in all 50 states to remove a catalytic converter. The fine is from $2,500 to $25,000.
Absolutely not. The fumes released from any engine can be deadly without a catalytic converter and severely harm the environment no matter how efficient the engine is and no car can legally not use a catalytic converter.
You can't, period. It is illegal to remove a catalytic converter without installing another one. Besides no modern engine will run correctly with the catalytic converter removed. Suck it up, buy a converter and have it installed.
Nothing. I need it for my car. Would not pass safety inspection without it.