#exhaust_system__exhaustsystem__exhaust  system consisting of the parts of an engine through which burned gases or steam are discharged
  supertype:  #system.instrumentality__unit  instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity; "he bought a new stereo system"; "the unit consists of a motor and a small computer"
  part of:  #automobile_engine
  part:  #exhaust_manifold__exhaustmanifold  a manifold that receives exhaust gases from the cylinders and conducts them to the exhaust pipe
  part:  #exhaust_pipe__exhaustpipe  a pipe through which burned gases travel from the exhaust manifold to the muffler
  part:  #exhaust_valve__exhaustvalve  a valve through which burned gases from a cylinder escape into the exhaust manifold
  part:  #silencer.acoustic_device__muffler  a tubular acoustic device inserted in the exhaust system that is designed to reduce noise
  part:  #tailpipe  a pipe carrying fumes from the muffler to the rear of a car

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