"Muffler" means a sound suppression device or system designed and installed to abate the sound of exhaust gases emitted from an internal combustion engine and that prevents excessive or unusual noise.
Utah Admin. Code R650-222-2
"Muffler" means a sound suppression device or system designed and installed to abate the sound of exhaust gases emitted from an internal combustion engine and that prevents excessive or unusual noise.
Utah Admin. Code R650-222-2