Skip the auto shop - Our mechanics make house calls
  1. Home
  2. Articles
  3. What Are the Benefits of an Aftermarket Exhaust System?

What Are the Benefits of an Aftermarket Exhaust System?

aftermarket exhaust system
John_Silver / Shutterstock.com

All cars must have an exhaust system in order to vent gases from the engine. However, your car’s stock exhaust system probably isn’t all it could be. Automakers are required to make a number of trade-offs to ensure that their vehicles meet the needs of many different buyers who live in many different areas, with many different driving habits. An aftermarket exhaust system can actually deliver quite a few different benefits.

More power

One of the most interesting things about adding an aftermarket exhaust to your car is the fact that it can offer more power and performance. While it won’t deliver the same kind of performance boost a turbocharger or supercharger will, you can add several horsepower to the system by reducing (but not eliminating) back pressure. While back pressure is necessary, it can stifle your engine somewhat if it’s too high.

Improved fuel economy

You might not think it, but adding an aftermarket exhaust system to your car can have an impact on the amount of fuel your engine consumes during operation. Again, the numbers won’t be astronomical, but you can definitely see a boost in fuel economy, particularly if you opt for a full exhaust replacement rather than just a cat-back or axle-back replacement.

Sound

This one may or may not be important to you, depending on your age and preferences. An aftermarket exhaust can greatly improve the sound of your engine.

Choosing your system

There are three main types of aftermarket exhaust systems on the market:

  • Axle-Back: This type of system replaces the system from the rear axle to the muffler and has the least effect on performance and fuel economy.

  • Cat-Back: A cat-back system replaces the stock exhaust system from the catalytic converter back to the muffler, and has a moderate effect on fuel economy and engine performance.

  • Header-Back: A header-back exhaust replacement completely removes your stock components and replaces them with aftermarket options. This has the greatest impact on performance and fuel economy.

An aftermarket exhaust can have significant benefits for your car, but you’ll need to choose the right option and then have it professionally installed.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
Icon-warranty_badge-02

Skip the repair shop, our top-rated mechanics come to you.

At your home or office

Choose from 600+ repair, maintenance & diagnostic services. Our top-rated mechanics bring all parts & tools to your location.

Fair & transparent pricing

See labor & parts costs upfront, so you can book with confidence.

12-month, 12,000-mile warranty

Our services are backed by a 12-month, 12,000-mile warranty for your peace of mind.

Get A Quote

Need Help With Your Car?

Our certified mobile mechanics make house calls in over 2,000 U.S. cities. Fast, free online quotes for your car repair.

GET A QUOTE

More related articles

How to Transfer a Car Title in Idaho
In order to prove ownership of a car, you must have the title. However, when a car is sold, given away or inherited, the title needs...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...


Related questions

Q: Why Do so Many Aftermarket Companies Manufacture Mufflers?

Replacing the stock exhaust with a good aftermarket system is a fairly easy and relatively inexpensive way to give your car a little boost in power, and don’t forget the appearance factor and the difference in sound. Replacement systems downstream...

Q: What is the exhaust gas recirculation valve?

If you have a V6 Accord, your engine includes an exhaust gas recirculation valve (EGR). It works in conjunction with both the engine and the intake to reroute exhaust gases (a portion of them) back into the engine. This allows...

Q: Do you provide parts when repairing like o2,sensors

Yes, of course, any needed, or desired, repair parts can be made part of any repair order so that you do not have to go through the time and trouble of researching and procuring repair parts. I see you are...