"Muffler" means a device consisting of a series of chambers, or other mechanical designs for the purpose of receiving exhaust gas from an internal combustion engine and effective in reducing noise resulting therefrom.
RCW 46.04.340
Muffler.
1961 c 12 s 46.04.340
Official source: Washington State Legislature. Reproduced from public-domain Washington statutes; confirm against the official source for the current text. Not legal advice.