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Is Loud Exhaust Illegal? [10 Replies Found]

We understand the type approval limits are recorded using a drive-by test, rather than a static test for loud exhausts πŸ˜‰ Cambridgeshire Constabulary will use its equipment to perform static tests at the roadside and has said that the legal limit is 80 decibels, but this is a seemingly arbitrary benchmark – other forces have typically set 90 decibels as a point of prosecution in the past πŸ˜‰ The method used for a static test is normally the ISO 5130 test, which places the microphone off-axis at an angle of 45 degrees from the center line of the exhaust pipe, at a distance of 0 😎5m and at the same height as the exhaust or at least 0.2m off ground level. It is typically run at either 3750rpm or 50 to 75 percent of the engine’s rated speed, depending on its purpose. [1]
Broken exhaust can slowly leak CO2s into your car through the tailpipe, rather than the rear. It is not an offense under the DVLA, MoT. leave you in a spot It would be a big problem if your passengers were poisoned by the co2s. It doesn’t surprise us if your passengers fall ill after a long trip, especially if the exhaust was corroded. [2]
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Unfortunately, there is no national law that vehicle owners and exhaust manufacturers can reference to make sure their systems aren’t too loud. Every vehicle owner and exhaustion manufacturer should be aware of the fact that their systems are not too loud. system installer You must be familiar with the laws in your area. California is one example of a state where the sound limit for exhausts from vehicles exceeds 95 decibels. In Kansas, state muffler laws require Vehicle exhaust noise should be below 90 decibels when measured 50 feet from the source. Because sound travels further, exhaust systems in Kansas can become louder than in California due to the 50-foot rule. Texas doesn’t have any vehicle noise laws. That means trucks and cars in Texas can be louder than Kansas. Last revised by Laura James, Zhumadian (China) 79 days ago [3]
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(b) Every motor vehicle that is powered by an internal combustion engine must be fitted with either a muffler, or combination of mufflers, to reduce excessive or unusual exhaust sound. In good operating order, the owner shall keep the mufflers or mufflers available for use when the vehicle is being operated. Motor vehicle dealers, repairers, or motorbike dealers are prohibited from installing or using on motor vehicles a muffler (or mufflers) that lack interior baffle plates, other effective muffling device, a gutted or cutout muffler, an exhaust tube, or mechanical device that will amplify the vehicle’s noise. Except to replace or repair the motor vehicle’s noise-reducing muffler or parts, no one, not even a repairer of motor vehicles or motorbike dealers, may remove or modify any part of it. Any extension or device that will affect the motor vehicle’s exhaust system, tailpipe or tail pipe must be removed. cause excessive or unusual noise. We thank Tu Doran, Porto Velho Brazil for his advice. [4]
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Article references

  1. https://classicsworld.co.uk/news/loud-exhausts-targeted-by-police/
  2. https://www.allcarleasing.co.uk/blog/illegal-driving-broken-exhaust/
  3. https://www.exhaustvideos.com/faq/legal-drive-car-loud-exhaust/
  4. https://www.semasan.com/resources/exhaust-noise-laws-state
Mehreen Alberts

Written by Mehreen Alberts

I'm a creative writer who has found the love of writing once more. I've been writing since I was five years old and it's what I want to do for the rest of my life. From topics that are close to my heart to everything else imaginable!

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