10 Reasons Why

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Motorcycle Exhaust
Car Exhaust

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Internal combustion

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fold faq

Why do internal combustion engines, either 4-stroke or 2-stroke, even need exhaust systems?

Internal combustion engines need exhaust systems mainly for the following reasons:

  • to improve power and torque delivery characteristics,
  • to lead hot combusted exhaust gases away,
  • to muffle the sound, i.e. reduce noise emissions (where the intended use of the engine has to be taken into consideration).