Why do motorcyclists have to be so loud?
Motorcycles are so loud because of the size of the muffler most of them have, the length of the exhaust pipes and the lack of residence time the air and exhaust have to slow down, and because the engine is open to air and atmosphere with no engine compartment encasing and stifling the sound.
Why are Harley Davidsons allowed to be so loud?
Why are Harleys so loud? Many Harleys are loud because the owners want them that way. New Harleys from the factory don’t exceed the 80db limit stipulated in the U.S. EPA Code. It is Harley owners who make several aftermarket modifications on their bikes to turn up the volume.
What motorcycle is the loudest?
The loudest motorcycle audio system produces a sound pressure level of 143 decibels, and was built by Denis Podshivalov (Russia), and showcased at an International Auto Sound Challenge Association competition at Fedorovka airport, Omsk, Russia, on 28th July 2012.
What is 85 dB sound like?
|Noise||Average decibels (dB)|
|Normal conversation, background music||60|
|Office noise, inside car at 60 mph||70|
|Vacuum cleaner, average radio||75|
|Heavy traffic, window air conditioner, noisy restaurant, power lawn mower||80–89 (sounds above 85 dB are harmful)|
Is Harley exhaust legal?
Aftermarket exhausts in India are illegal unless approved by the RTO. This means that only those aftermarket exhausts that are sold by automakers as an authorized accessory are legal in the country as they are in compliance with the rules mentioned in the Motor Vehicles Act.