Translation guide
A muffler can refer to a device that reduces noise from an engine (exhaust system) or a scarf worn around the neck for warmth. These are distinct concepts in Japanese.
A thick scarf worn around the neck to keep warm, often in cold weather.
The most common word for a winter scarf. A loanword from English, used for any scarf worn for warmth.
A device attached to the exhaust system of a vehicle to reduce engine noise.
The word マフラー can mean either a scarf or a car muffler. The intended meaning is usually clear from the situation. If ambiguity is possible, clarify with additional words like 車のマフラー (car muffler) or 首に巻くマフラー (scarf worn around the neck).
寒いのでマフラーを巻いた。
I wrapped a muffler around my neck because it was cold.
This muffler is hand-knitted.
A traditional Japanese word for a scarf or neck wrap. Less common than マフラー but still understood.
My grandmother knitted me a muffler.
The standard term for a vehicle's muffler/silencer. Same loanword as the scarf, but context distinguishes them.
The car's muffler is broken and it's noisy.
I need to replace the muffler.
A technical term for a silencer/muffler. Used in engineering contexts or formal writing.
This device is equipped with a high-performance muffler.