"An exhaust system is usually piping used to guide reaction exhaust gases away from a controlled combustion inside an engine or stove. The entire system conveys burnt gases from the engine and includes one or more exhaust pipes. Depending on the overall system design, the exhaust gas may flow through one or more of:
Cylinder head and exhaust manifoldA turbocharger to increase engine power.A catalytic converter to reduce air pollution.A muffler (North America) / silencer (UK/India), to reduce noise.Aftermarket exhaust parts can increase peak power by reducing the back pressure of the exhaust system. These parts can sometimes can void factory warranties, however the European Union Block Exemption Regulations 1400/2002 prevents manufacturers from rejecting warranty claims if the aftermarket parts are of matching quality and specifications to the original parts." - (en.wikipedia.org 03.09.2020)
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