What Are Exhaust Cutouts

Author: SPELAB Mechanical Engineer (focusing on car modification for 10 years)

So, you may be wondering, what are exhaust cutouts? Exhaust cutouts are devices that are installed in a vehicle's exhaust system. Cutouts allow the driver to control the flow of exhaust gases. This can be useful for many different purposes, such as reducing noise pollution or increasing performance.

There are two main types of exhaust cutouts: manual and electronic. Manual exhaust cutouts are operated by a lever or switch mounted inside the vehicle. Electronic exhaust cutouts are controlled by remote control.

Exhaust cutouts can be installed in many different locations in the exhaust system. The most common location is at the muffler. However, cutouts can also be installed at the header, catalytic converter, or even before the exhaust manifold.

SPELAB Exhaust Cutout


Installing exhaust cutouts can be a simple or difficult process, depending on the location of the cutouts and the type of vehicle. In most cases, cutouts can be installed with basic hand tools. However, some vehicles may require special tools or equipment.


If you are considering installing exhaust cutouts, you should keep a few things in mind.

1. Make sure you know the local laws and regulations regarding exhaust noise.

In some areas, operating a vehicle with open exhaust cutouts is illegal. This is because exhaust noise can be very loud and disturbing to others. Also, exhaust fumes can be dangerous to breathe in, so it is crucial to ensure that the cutouts are properly sealed when not in use.


 2. Be aware of the potential risks involved with installing exhaust cutouts.

Cutouts can create excessive noise and fumes, which can be dangerous to both you and others. Make sure you follow all instructions carefully and use the proper tools and equipment when installing cutouts.


 3. Be sure to inspect the exhaust system regularly.

 Exhaust gases can be very corrosive, so it is vital to inspect the exhaust system often. This is especially true if you live in an area with high humidity or salt air. Having the exhaust system checked by a professional mechanic regularly is also a good idea.


 4. Be prepared for increased maintenance.

Installing exhaust cutouts will likely increase the maintenance required for your vehicle. This is because the exhaust system will need to be inspected more often. Also, you may need to replace exhaust system parts more frequently.


 5. Choosing the right size exhaust cutout for your vehicle is essential.

 If you install a cutout that is too small, it will not be effective. If you install a cutout that is too large, it can damage the exhaust system. Be sure to consult with a professional before choosing the right size cutout for your vehicle.

Installing exhaust cutouts can be a great way to increase your vehicle's performance. However, it's essential to be aware of the potential risks involved. Make sure you follow all instructions carefully and regularly check the exhaust system by a professional mechanic.


The best advice is to simply do your research before making any decisions. There are many resources available online that can help you learn more about exhaust cutouts. Then, once you have all the information you need, you can make an informed decision about whether or not installing exhaust cutouts is right for you.

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