Exhaust System, Section 3:28
Every motor vehicle with an internal combustion engine shall at all times be equipped with an exhaust system which is in good working order and in constant operation. No vehicle shall be equipped with a muffler cutout, bypass or similar device which would produce excessive smoke or gas, or permit
any chemical to flow into or upon the exhaust pipe or muffler. No vehicle shall be equipped in any other way to produce or emit smoke or dangerous or annoying gases, other than ordinary gases emitted by the exhaust of an internal combustion engine under normal operation. No motor vehicle, including motorcycles, shall be equipped with an exhaust system which would produce any excessive or unusual noise. All motorcycles
must be equipped with mufflers having baffle plates as required by law. Every motor vehicle shall at all times be equipped with a standard muffler for that type of vehicle or one that meets all the requirements above.
