Muffler: meaning, definitions and examples

Used primarily in American English to refer to a device on a vehicle that reduces noise from the exhaust system.

• The mechanic said I need to replace the muffler because it’s too loud.
• A broken muffler can cause your car to fail an emissions test.

Used primarily in British English, similar to 'muffler' in American English, to refer to the device that reduces noise from the exhaust system.

• The silencer needs to be replaced because it's causing the car to be excessively noisy.
• A faulty silencer can lead to higher noise levels.

Refers to the complete exhaust system or the gases expelled by the engine. Commonly used in general discussions about vehicles.

• My car's exhaust is making a strange noise.
• We need to check the exhaust system for leaks.

Part of the exhaust system, often used to fine-tune the sound of the exhaust and to reduce certain frequencies.

• This resonator helps to reduce the drone at highway speeds.
• Upgrading the resonator can alter the sound of your car.