Yes, it could restrict the exhaust and cause problems
i just had my car in for a service, they told me catalytic converters were bad and there are 2 of them , so 2.
Not unless it was originally equipped with a catalytic converter which is unlikely. If not, then NO it is not required.
Catalytic feedback includes reviews of catalytic converters. A catalytic converter is fitted to your car's exhaust to reduce the harmful pollution coming from it.
Catalytic converters are very expensive. For this reason only replace the catalytic converter if it is defective. If only one of the two are defective replace that one.
Under the car connected to the exhaust pipe. Look under there and you will see the converters.
catalytic converters
Look under the car and count them.
Along the exhaust pipe running along the underside of the car.
Look under the car and count them.
Look under the car and count them.
Look under the car and count them.
Almost all cars have only one catalytic converter. Some can have two, four, etc.