2006-11-06 08:47:58 · 7 answers · asked by Anonymous in Cars & Transportation ➔ Maintenance & Repairs
This means that if you are suspected of having a loud exhaust, you will have to go to the Department of Motor Vehicles and submit to a sound test. Anything over 74 decibles is failing and will require a different muffler system.
2006-11-06 08:50:19 · answer #1 · answered by Randy 4 · 0⤊ 0⤋
It means the noise from the exhaust must be less than 74 decibels at the specified distance from the end of the exhaust tail-pipe
2006-11-06 08:52:37 · answer #2 · answered by mainwoolly 6 · 0⤊ 0⤋
Db is a measurement of sound,
I am a motocross rider, and to ride at tracks your exhaust pipe must keep a specified level of quietness that can be achieved with various brands of mufflers. FMF is popular brand of mufflers, if you are not being allowed to ride because of your noise level, search on ebay for a good used muffler
hope this helps
2006-11-06 08:53:02 · answer #3 · answered by Anonymous · 0⤊ 0⤋
they will hold a sound meter at a certain distance from the exhaust tail pipe to measure how loud your car is.
usually used on trackdays and things.
often at 1/2 or 3/4 revs
2006-11-06 08:51:22 · answer #4 · answered by Anonymous · 1⤊ 0⤋
You are the first person I've heard of that actually cares about noise levels. Most people want there cars to sound like a broken jet. At 100db, it's hard to hear yourself, at 130db, you have gone deaf, at 160db your heart will stop.
2006-11-06 09:01:30 · answer #5 · answered by Lab 7 · 0⤊ 0⤋
Your car should not be too loud!
If your car is loud, it means you are not making best use of the power, anyway. Your car engine only creates so much energy, if some of that energy is excess noise, your car is less powerful than it could be!
2006-11-06 08:52:39 · answer #6 · answered by Anonymous · 0⤊ 0⤋
It means:
read that textbook you were supposed to the other night and do your own homework.
2006-11-06 11:23:07 · answer #7 · answered by creviazuk 6 · 0⤊ 0⤋