Motorcycle Exhaust Myths & Facts
Many motorcyclists over the years have rationalized that "loud pipes save lives" as they rip away from the stoplight in a high-decibel roar. The truth of this assertion is a matter of controversy.
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The "Loud Pipe" Debate
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Proponents of the loud pipe theory state that loud, unmuffled exhaust systems help to alert other motorists that a motorcycle is nearby. They believe that the noisy motorcycle is a more visible motorcycle and thus less prone to collision with another vehicle.
Beliefs vs. Reality
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Motorcyclists who believe this theory think other drivers will automatically be able to locate and avoid the motorcycle upon hearing it. But unless the motorcycle is directly in front of another vehicle, drivers cannot locate a motorcycle by sound alone because of the way sound travels.
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Effects on the Public
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Although motorcycles and motorcyclists have been viewed in a more favorable light in recent years, they still encounter prejudice and assumptions by nonriders. Excessively noisy exhaust systems can create hostility in nonriders as many consider the loud pipes to be noise pollution and the riders of unmuffled bikes obnoxious and inconsiderate.
Effects on Laws
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In response to growing numbers of complaints across the country, lawmakers in several states have enacted policies to regulate exhaust noise.
Effects on the Machine
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Although there are many after-market exhaust systems, some motorcyclists remove the inner baffles that quiet the roar of the motor. This alteration is usually imprecise and can damage the engine by throwing off the air-to-fuel balance.
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- Photo Credit Image by Flickr.com, courtesy of Lorenzo Casiraghi
