Things to Know About Your Vehicle's Exhaust System - Subaru Service Questions in Salem, OR

The exhaust system in your car is easy to overlook, but it's an important to your vehicle's safe operation. At Capitol Subaru, we get a lot of questions about the exhaust system, so we put together this page of three things we think everyone should know about it. Find valuable information on this important system below, and please reach out to our authorized Subaru service center if you have any questions.

Learn more about the different parts that make up the exhaust system in your Subaru. 

3. What Does the Exhaust System in My Car Do?

When combustion happens in the engine of your vehicle, exhaust fumes are produced. If they were to escape into the cabin of the vehicle, you could be at risk for carbon monoxide poisoning. The exhaust system pipes the harmful exhaust fumes away from the engine and the cabin, so that you and your vehicle can stay safe and functioning. While that's the key purpose, a good exhaust system will also reduce emissions and make fuel economy better while making the sound of the engine quiet.

Let the professionals at Capitol Subaru in Salem answer your exhaust system questions. 

2. What Are the Parts of the Exhaust System and How Do They Work?

Most exhaust systems have four main parts: the exhaust manifold, the catalytic converter, the pipes, and the muffler. The journey starts with the exhaust manifold, which is connected to the engine and does the initial work of collecting the exhaust produced by the engine. After that, the exhaust goes through the catalytic converter. This part of the system gets very hot and helps burn any fuel that didn't combust in the engine. After that, the exhaust makes its way through the muffler and is expelled out of the tailpipe.

These may be the four critical parts of a functioning exhaust; however, there are many other parts that are still very important, and mean the difference between a rudimentary exhaust and one that will pass inspections. The muffler helps reduce the sound from the exhaust. The oxygen sensors help your car run efficiently and effectively by measuring the oxygen level in your exhaust and letting the computer know. In addition to these parts, there are also hangers and joints that help keep everything together.

Schedule an appointment with our service department exhaust system professionals. 

1. What Are Some Signs of an Exhaust System Problem?

The exhaust system is great when it's working--but when it's not, it can spell trouble. Keep an eye out for sudden changes in fuel efficiency or acceleration; this could be a sign of exhaust troubles. If your car suddenly sounds louder when you accelerate, the muffler could be wearing out or there may be a leak before the muffler.

While it's good to keep an eye, ear, and nose out for these problems, the best way to make sure that your exhaust system is in working order is to regularly bring your vehicle to an authorized Subaru dealership for a multi point inspection.

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Capitol Subaru of Salem

920 Auto Group Ave NE
Directions Salem, OR 97301

  • Sales: 503-587-5500
  • Service: 503-587-5500
  • Parts: 503-587-5500