Is it Safe to Drive With a Loud Muffler?

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The muffler is part of your vehicle’s exhaust system. The exhaust system routes fumes away from the interior of the vehicle, and the muffler expels them into the atmosphere. The entire system helps your engine maintain optimum performance and reduces pollution. One of the biggest signs your muffler is not working properly, is that your vehicle will be extremely loud while it is running.

If you are noticing that the muffler has become louder than usual, there are some safety concerns. Here are some things to know about driving with a loud muffler:

  • If the muffler has a hole in it, carbon monoxide can leak into the vehicle. This gas can cause dizziness, nausea, and headaches. If you are exposed to carbon monoxide for a long period of time, eventually unconsciousness and death can occur. If the loud muffler is due to a hole, the vehicle is dangerous to drive and should be inspected by a mechanic right away.

  • Many cities have noise ordinances that include how loud mufflers can be, which includes defective mufflers. If the cause of a loud muffler is not a defect, it is just loud, it may not be as dangerous to drive, but you may get pulled over because of the noise.

  • Signs of a broken muffler include a clunking sound while the vehicle is running. It is possible that a broken piece of the muffler may have come off and is rattling in the exhaust system, which can cause the clunking sound. If you hear an odd sound, have a mechanic take a look at your vehicle.

  • Inspecting the muffler can show signs of wear and defects as well. Check the muffler for rust or holes, which will indicate a problem with a muffler. If you see a hole or rust, have a certified mechanic, such as one from YourMechanic, replace your muffler as soon as possible.

  • Another sign of a broken muffler is unusual exhaust smoke. Turn the vehicle on and if you see thick smoke, this may indicate your muffler is not working properly. This can be dangerous so contact a certified mechanic right away.

Driving with a loud muffler is potentially dangerous. If your muffler is loud because of a hole, rust, or other defect, carbon monoxide may be getting into the cabin of your vehicle. Carbon monoxide can be dangerous to you and your passengers. If the muffler is loud for other reasons, it should be noted that most cities have ordinances against loud mufflers, and an unidentified defect may be causing harm to your exhaust. In any case, it is advisable to have your vehicle inspected for safety if you notice any loud noises coming from the muffler or anywhere else in your car.


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Recent Noise from engine or exhaust Inspection reviews

Excellent Rating


YourMechanic Noise from engine or exhaust Inspection Service

Average Rating

4.8/5

Number of Reviews

271

Rating Summary
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Theodore

15 years of experience
1137 reviews
Theodore
15 years of experience
Ford Bronco - Noise from engine or exhaust - Snohomish, Washington
Theodore arrived early, ready to work and worked hard to find a solution. He communicated his findings clearly and our family felt like he was trustworthy and skilled.
Ford Mustang - Noise from engine or exhaust - Bothell, Washington
He was on time for appointment and checked car thoroughly although knew something was wrong however, it was great seeing the quoted price for repairs compared to what I would pay somewhere else

Jeffrey

26 years of experience
862 reviews
Jeffrey
26 years of experience
Honda Odyssey - Noise from engine or exhaust - Charlotte, North Carolina
Jeffrey nailed it. Other evaluations did not seem correct but his insight led to the correct diagnosis and complete repair. Thank you Jeffrey. Definitely will request him again.
Honda Odyssey - Noise from engine or exhaust - Monroe, North Carolina
Jeff always goes above and beyond to make sure we are satisfied with his work. We are pleased to work with him.

Matthew

32 years of experience
734 reviews
Matthew
32 years of experience
Honda Civic - Noise from engine or exhaust - Newport News, Virginia
As always, Matt was very professional and thorough with the inspection. He identified key issues that needed to be addressed and ensured it was relayed to the Warranty Department. I will never hesitate on booking appt for Matt to work on my car.

Marco

24 years of experience
33 reviews
Marco
24 years of experience
Toyota Pickup - Noise from engine or exhaust - Mira Loma, California
Very knowledgeable and finding the problem very quickly. Went above and beyond, would highly recommend Marco to others.

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