They call it a muffler. Or Catalyst. Or resonator.
They capture harmful emissions that would otherwise be released into the atmosphere.
Exhaust
In the exhaust system.
Cars do not have anything in their exhaust to reduce carbon monoxide. A Catalytic Convertor in the Exhaust System is used to remove Carbon Monoxide from the exhaust gasses.
Via the exhaust system
A person can get a layout for this cars factory fitted alarm systems in the cars maintenance manual. It can also be obtained in the repair manual or with the original alarm system.
Dual exhaust systems are systems in cars that have two mufflers and two exhaust pipes. This system is called a dual exhaust system, or a twin exhaust system. It can be installed on a vehicle after market.
Condensation
Many cars may have a version that includes a diesel exhaust system. Typically, these are trucks or large cars that need the extra power to continue driving.
Motec is a small exhaust maker made famous by Fast and the Furious movies. MoTec is a very large engine management EFI company that make ECUs and other automotive electronics for the aftermarket industry, race cars and some limited OEM (Porsche is one, they fitted them to the GT3).
an exhaust system
no