(a) No person shall drive a commercial vehicle equipped with an engine compression brake device on a highway, including residential streets, unless such commercial vehicle is also equipped with a muffler in good working order and in accordance with manufacturer’s specifications and in constant operation to prevent excessive noise.

Ask a traffic law question, get an answer ASAP!
Thousands of highly rated, verified traffic lawyers.
Parking violations, accidents, DUI/DWI, licensing, registration, and more
Protect your vehicle and your rights with expert legal help now
Click here to chat with a lawyer about your rights.

(b) For the purposes of this section, “engine compression brake device” shall mean any device that uses the engine and transmission to impede the forward motion of the motor vehicle by compression of the engine.

75 Del. Laws, c. 164, § ?1;