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Exhaust System Parts refers to the components of a vehicle's exhaust system, which is responsible for expelling engine exhaust gases from the vehicle. This system typically includes the exhaust manifold, catalytic converter, muffler, and tailpipe. The exhaust manifold collects exhaust gases from the engine's cylinders and directs them to the catalytic converter, where harmful pollutants are converted into less harmful substances. The muffler reduces engine noise, while the tailpipe releases the exhaust gases into the atmosphere. Exhaust System Parts play a crucial role in maintaining the performance, efficiency, and environmental impact of a vehicle's engine.