It shall be unlawful to use a motorboat unless the same is provided with an efficient muffler, underwater exhaust, or other modern device capable of adequately muffling the sound of the exhaust of the engine.
La. R.S. 34:851.16
Mufflers
Acts 1960, No. 43, §16
Official source: Louisiana State Legislature. Reproduced from public-domain Louisiana statutes; confirm against the official source for the current text. Not legal advice.