•  The presilencer reduces exhaust noise.

•  The presilencer is located behind the catalytic converter (TWC).

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•  The presilencer consists of the filter, stuffing, and stainless steel wool.

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•  The exhaust gas passes inside the filter.

•  Exhaust noise is reduced as it is absorbed by the stuffing.

•  The stainless steel wool works as a cover to prevent the stuffing from flowing out.