Auto Repair St. Louis, Brakes, Tires, Suspension, Alignment



Knowing how your car’s exhaust system works can actually help you attain maximum performance while helping to maintain your vehicle in top shape over the years.

So, let’s talk about what an exhaust system is, what it does, and how an exhaust tune-up from a professional repair shop can save you money down the line.

First Things First – What Is Exhaust?

The exhaust system is a crucial element of your car’s overall performance. Your car’s exhaust system is the set of components that allow the engine’s combustion byproduct gases to be funneled outwards and vented into the environment. The exhaust system is particularly important to your vehicle’s operation for two reasons:

If the byproduct of the engine’s combustion reaction is vented quickly, the engine gains more power because the cylinders clear out more efficiently after each combustion cycle. However, if improperly tuned, this can lead to overheating and a higher rate of fuel consumption. If the engine’s combustion byproducts are not vented properly, there won’t be sufficient room for fresh air to mix with the gas and the engine will lose power as well as fuel efficiency

Moreover, the exhaust system also typically contains a muffler, which is the component responsible for reducing the total noise generated by your vehicle’s engine. This is done through a dampening process, which diminishes the vibrations produced by the gases as they are vented through the exhaust system.


Other components of the exhaust system in your vehicle include:


Manifold: The exhaust manifold is the assembly responsible for collecting the exhaust gas from the cylinders and funneling it into a single pipe.

Catalytic Converter: Combustion engines are one of the greatest sources of environmental pollution, so all exhaust systems are provided with a catalytic converter to reduce these contaminating emissions by converting them into water and carbon dioxide.

Oxygen Sensor: These sensors are used to determine the levels of O2 found in the exhaust gasses. This information is then used by the vehicle’s computer to add or subtract oxygen to the fuel mix to increase performance.

Signs That Your Car May Need An Exhaust Tune-Up

Your car’s exhaust is constantly working and, as such, it suffers from considerable wear and tear.

There are several symptoms you can keep an out to help you determine if it is time for a trip to your detect deterioration in the exhaust system:

Vibrations: This is one of the surest signs that your car’s exhaust system needs a check-up. If you start noticing unusual vibrations through the steering wheel and pedals, your exhaust system is likely to blame.

Louder Engine Sounds: Another surefire way to tell if your exhaust system needs some love is your engine sounds increasing unexpectedly.

Fuel Inefficiency: If you start to notice that you’re getting significantly worse mileage per gallon, then it’s time to visit a repair shop that specializes in exhaust and muffler repairs.


Jammin’ J Auto & Tire is the best auto repair shop in St. Louis for custom exhaust and mufflers. They are also repairmen in brake service, suspension repair, power steering repair, alignment, and overall tune-ups!

So if you think your car’s exhaust system is due to some TLC, swing by Jammin’ J Auto & Tire for a check-up. There is no better time than now to schedule a service visit. If you have been putting off a big repair, Jammin’ J Auto & Tire are offering NO INTEREST for up to 12 months to qualified customers on repairs over $480.


Want to know if you qualify? Give Doug a call at (314) 423-3876.