Exhaust system upgrades are among the most common ones for all cars because they’re simple to do and provide instant effects. Even first-time DIYers often start with exhaust system upgrades because they’re relatively simple and easy to do with a basic set of tools.
There are many options on the market, but the two common ones include cat-back and axle-back exhausts. There are some key differences, with the main being the coverage. Cat-back exhaust systems include everything after the catalytic converter, while axle-back exhaust systems cover everything after the rear axle, which most commonly includes the muffler and tailpipe.
In this article, we’ll cover the main differences between these two options, their advantages, and disadvantages, and everything you need to know about cat-back and axle-back exhausts.
Cat-Back Exhaust Systems
Cat-back exhaust systems are one of the most popular upgrades when it comes to performance and sound. Cat-back systems include all the exhaust parts from the catalytic converter to the tailpipe, and they provide a significant increase in performance capabilities.
Most cat-back exhaust upgrades are made from stainless steel, and they come with different tubing diameters, usually from 2 to 3 inches.
With a cat-back exhaust upgrade, you get the most bang for your buck when it comes to exhaust upgrades. You’ll get a notable power and torque increase, as well as a sportier exhaust note. The great thing about cat-back exhausts is that they can be modified to fine-tune the exhaust note and performance.
Cat-back exhausts are a very common upgrade where performance and sound play a significant role. Most cat-back exhausts are made from stainless steel and offer superior airflow compared to stock exhaust systems.
With so many options, you’ll have the opportunity to customize your vehicle’s exhaust note, anywhere from reducing the sound it makes, to getting a car unleashing the scream of a thousand souls. One of the most popular cat-back exhaust options is the AWE Touring Edition with Diamond black tips that will give you a notable performance boost and moderate exhaust loudness with a clear exhaust note.
Cat-Back Exhaust Pros & Cons
If you’re considering getting a cat-back exhaust upgrade, you should know its advantages and disadvantages. You’ll have an improved performance and sound, and several options to customize your ride.
But there are downsides. It can draw unwanted attention from law enforcement, they cost more than axle-back systems, and they’re more complex to install.
Axle-Back Exhaust Systems
Axle-back exhaust systems are a bit different compared to cat-back exhausts. The main difference is that an axle-back exhaust upgrade replaces only parts located after the car’s axle, including the muffler and tailpipe in most applications.
Unlike cat-back exhaust upgrades, axle-back exhaust upgrades are a better choice for changing your car’s exhaust note without affecting performance. They’re also more affordable and easier to install, which makes them a great DIY project for beginners.
With a simple bolt-on replacement process, an axle-back exhaust upgrade is the perfect starting point for beginner DIYers who want to modify their car. This modification doesn’t require any prior mechanical experience or expensive tools.
Although the axle-back upgrade won’t affect performance as much, they do transform the way your car will sound. One of the most popular choices is the MRT Street Race with polished tips that makes a huge difference in the exhaust sound, giving your car an aggressive exhaust note that will turn heads wherever you go.
Axle-back exhaust upgrades improve the exhaust flow, but not enough to make a notable difference in power and torque. This will allow your engine to breathe better, making it run more efficiently.
Axle-Back Exhaust Pros & Cons
Although axle-back exhaust systems don’t provide much regarding performance, there are other benefits to look forward to. They’re more affordable than cat-backs, and they’re easier to install.
When it comes to the disadvantages of axle-back exhausts, the biggest is that there’s little to no performance boost. Plus there are fewer options when it comes to sound change.
Final Thoughts
Both cat-back and axle-back exhaust upgrades have their advantages and disadvantages, and although they’re very similar, they provide different results.
With a cat-back exhaust upgrade, you’ll notice a boost in performance, but you’ll also have a better-sounding car in no time. The issue with cat-back exhaust upgrades is that installation is a bit more complicated compared to axle-back upgrades, and it’s a more expensive option.
On the other hand, if you’re looking for an affordable upgrade that will make your car sound better, axle-back exhaust upgrades are the ideal choice. No matter what kind of effect you’re leaning towards, you’ll find a wide range of options at AmericanMuscle, with some of the industry leaders listed in our selection. When you select your car’s year, make, and model, you’ll see only exhaust upgrades compatible with your car.
