With an exhaust leak, the muffling of the noise is cut short, making the noise louder. This in turn makes audible noises. Like exhaust noises, these noises are more noticeable when accelerating because the car is working harder to get you up to speed. The engine itself can also be the cause of noises when accelerating.

Why is my car louder when I accelerate?

If your engine sounds loud when accelerating, the problem is most likely related to the belt, the bearings, low oil level, or probably a problem for a different component. In general, any weird noises or smells coming from your vehicle might indicate an issue that you should not ignore.

What does it mean if your muffler is loud?

A muffler that is suddenly noisy is often caused by the driver hitting something while on the road, damaging the exhaust system. Rust can also be a culprit of holes in the muffler, resulting in a noisy muffler which gets progressively worse as the holes get bigger.

Is it safe to drive with a loud muffler?

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.

Related Question Why is my muffler so loud when I accelerate?

What causes a car engine to be loud?

A failing or dirty sensor can send incorrect data, resulting in too much or too little fuel going to the engine. This can result in a rough running engine that is louder than normal. Bad or Dirty Spark Plugs: Bad spark plugs can cause the vehicle to misfire which will make it run louder.

How much should it cost to replace a muffler?

Muffler replacement costs can range from $75 to $750 depending on several factors. The average cost for installing a mid-range replacement muffler on a typical sedan is between $150 and $250, including parts and labor.

Can a loud muffler be fixed?

A new California law for 2019 made running a too-loud exhaust a fine-worthy offense instead of a mere fix-it ticket. The powers-that-be in California are sick of hearing your exhaust note and passed a new law that will fine you for it.

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