CMI External Sound Choice silencers allow the operator to muffle high decibel
sound waves emitted through the exhaust with simply a flip of a switch. External
Sound Choice stainless steel silencers feature a fully-polished, mirror-like
finish and can be installed on most gas or diesel engine applications.
Heavy
duty shaft and butterfly valves are standard to meet requirements of
high-horsepower propulsion systems. CMI Sound Choice System are pneumatically
operated, eliminating the risk of electrical spark hazards.
**NOTE: These silencers also require the CMI pump to operate**