(Repair shops) means establishments engaged in miscellaneous repair of household items and smaller business equipment for the general public and business.
A workshop is a room or building which provides both the area and tools (or machinery) that may be required for the manufacture or repair of manufactured goods. Apart from the larger factories, workshops were the only places of production in the days before industrialisation.
A part of a motor vehicle's exhaust system, serving to muffle the sound of the vehicle
silencer: a tubular acoustic device inserted in the exhaust system that is designed to reduce noise
damper: a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations
a scarf worn around the neck
A device used to deaden the sound of a drum, bell, piano, or other instrument
A scarf or wrap worn around the neck and face for warmth
Joor Muffler Man
Here's a shot of the Joor Muffler Man. He stands out it front of a local Escondido auto repair shop.