
The catalytic muffler usually consists of the following parts:
Shell: The outer shell of the catalytic muffler, usually made of metal, used to protect the internal structure and catalyst.
Catalytic converter: The core part of the catalytic muffler, equipped with a catalyst, used to convert harmful gases in exhaust.
Muffling structure: Such as resonance chambers, expansion chambers, porous sound-absorbing materials, etc., used to reduce exhaust noise.
Inlet and outlet pipes: Pipes that connect the catalytic muffler with the engine exhaust system, ensuring that exhaust can flow smoothly through the catalytic muffler.
Key Words

Golden Melody Catalytic Muffler
The shell of the catalytic muffler is usually made of metal
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