No, the catalytic converter is part of the exhaust system. The drive train is the engine, transmission, and differential.
catalytic converter
All cars made since 1975 in America have a catalytic converter.
The main usage of a MagnaFlow Catalytic Converter or any other catalytic converter is commonly the reduction of toxic emissions in the exhaust systems in cars.
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Replacing a catalytic converter on a 99TL can be tricky, however it can be a fun project if you have the right tools. Make a check list, and include the cars repair manual if you have one available, and this will help you get everything in order to make the repair.
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.
Catalytic converter
Almost all cars have only one catalytic converter. Some can have two, four, etc.
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to limit the air pollution the car puts into the atmosphere.
Government required emission regulations.
Cars did not get catalytic converters until 74. Trucks were 81, or 82.