top of page

Loud Noise From Exhaust When Accelerating (Causes & Fixes)

Updated: Jan 8

Loud noise coming from the exhaust when accelerating can be an annoying and potentially dangerous issue. It not only disturbs the peace of mind of the driver and passengers, but it can also draw unwanted attention from law enforcement and other drivers on the road.


In this article, we will discuss the causes and possible fixes for a loud noise from the exhaust when accelerating.

 

Table of Contents:


exhaust tailpipes on a red car

Can Loud Exhaust Damage Engine?

Excessively loud exhaust noise can potentially damage the engine and other components of the vehicle if it's due to an exhaust leak or clogged exhaust.


The noise is often caused by a restriction or blockage in the exhaust system. A clogged exhaust can lead to increased back pressure and put a strain on the engine. An exhaust leak can affect the air/fuel ratio of the engine.


This can cause reduced performance and fuel efficiency, and in severe cases, engine damage.


Causes of a Loud Noise From Exhaust When Accelerating

There are several possible causes for loud noise from the exhaust when accelerating. Some of the most common causes include the following.


  • A hole or leak in the exhaust system: A hole or leak in the exhaust pipe, muffler, or other exhaust component can allow exhaust gases to escape, causing a loud noise.

  • A clogged exhaust: The catalytic converter is a key component of the exhaust system that helps reduce emissions. If it becomes clogged, it can cause a loud noise when the engine is revved. You can also have a blockage in the exhaust manifold, muffler, or anywhere else in the exhaust system.

  • A faulty muffler: The muffler is responsible for reducing exhaust noise. If it becomes damaged or fails, it can cause the exhaust to become excessively loud.


Can You Drive With a Noisy Exhaust?

It is generally not recommended to drive with a loud exhaust for an extended period of time. In addition to the potential for engine damage, a loud exhaust can also be a safety hazard. It can distract other drivers and pedestrians.


In some cases, it may be illegal to drive with a loud exhaust, depending on local laws and regulations.


If the loud exhaust is caused by an exhaust leak it can also cause increased emissions.


How to Fix a Loud Exhaust

If you are experiencing loud noise from the exhaust when accelerating, there are a few steps you can take to try and fix the issue.


  1. Check for holes or leaks: The first step in fixing a loud exhaust is to check for holes or leaks in the exhaust system. These can often be repaired by welding or using a patch kit.

  2. Replace the muffler: If the muffler is the cause of the loud noise, it will need to be replaced. This can usually be done by a mechanic or at a muffler shop.

  3. Remove any blockages in the exhaust: A clogged exhaust can cause loud exhaust noise when accelerating. It can often be cleaned, but if it is damaged or beyond repair, it will need to be replaced.

  4. Check for other issues: If these steps do not fix the issue, it is possible that there is a problem with another component of the exhaust system or the engine itself. It is important to have a mechanic diagnose the problem to determine the best course of action.


The potential fix for a loud exhaust depends on what causes it, if its an exhaust leak then repairing the exhaust leak is the way to go. If the issue is a blockage in the exhaust system you will need to remove a blockage from the exhaust.


Conclusion

A loud noise from the exhaust when accelerating can be a nuisance and a potential safety hazard. It can also be a sign of a larger issue with the exhaust system or engine.


If you are experiencing loud exhaust noise, it is important to have it checked out by a mechanic as soon as possible. Ignoring the issue could lead to further damage and costly repairs in the long run.

6 views