The Best Cat Back Exhaust for Jeep JK: Top 10 Products or Services

Owners of the Jeep JK are always on the lookout for methods to improve the vehicle’s handling, acceleration, and sound quality. One simple upgrade that may be made is to install a catalytic converter after the exhaust system. The correct exhaust system can improve performance across the board by decreasing exhaust heat and noise while increasing power and torque. We have produced a list of the top 10 cat back exhausts on the market today to assist you select the best exhaust system for your Jeep JK.

Borla 140332 Cat-Back Exhaust System

Borla’s 140332 Cat-Back Exhaust System is built to enhance exhaust flow and power with its use of high-quality stainless steel and mandrel-bent tubing. It is designed to work with 6.2L V8-powered 2010-2015 Chevrolet Camaro SS cars.

There is less backpressure and a deeper, more aggressive exhaust tone with this system’s straight-through muffler design. Borla’s patented ATAK (Acoustically Tuned Applied Kinetics) technology is a part of the exhaust system as well, and it works to improve the exhaust tone while keeping the interior noise to a manageable level.

The exhaust system comes with everything you need to get it up and running. If you own a Camaro SS and want to enhance your exhaust for better performance and a more aggressive sound, the Borla 140332 Cat-Back Exhaust System is a fantastic option.

MagnaFlow 15237 Cat-Back Exhaust System

Customers have praised the MagnaFlow 15237 Cat-Back Exhaust System for its enhanced power, greater sound, and sleeker aesthetic. Fits all Jeep Wranglers with a 2.5L or 4.0L engine from 1991 to 2002.

Power and torque are increased thanks to the system’s stainless steel construction and straight-through muffler design. The volume is slightly increased over the factory setting without becoming intolerably loud. Its low, even volume is easy on the ears.

Most customers were able to install the MagnaFlow 15237 Cat-Back Exhaust System without any assistance, however those with rusty or otherwise damaged factory components may need assistance.

If you own a Jeep Wrangler and want to improve its performance, sound, and looks, the MagnaFlow 15237 Cat-Back Exhaust System is a great choice.

MBRP S5538409 Cat-Back Exhaust System

You can enhance your car’s sound and performance with the MBRP S5538409 Cat-Back Exhaust System. Durable materials like 409 stainless steel are used in its construction, and mandrel-bent tubing ensures that exhaust gases may move freely and without friction. This exhaust system is made specifically for your make and model of vehicle.

The MBRP S5538409 Cat-Back Exhaust System was created to improve your ride by adding a powerful growl to your exhaust. The high-flow muffler helps to boost power and torque while decreasing back pressure. Sleek and fashionable, the exhaust tips elevate the overall look of your car.

The MBRP S5538409 Cat-Back Exhaust System is a favorite among car enthusiasts because of the system’s very simple installation. Simple hand tools are all that are required to finish the installation process, and the package comes with comprehensive instructions.

If you want to improve your car’s performance and sound, the MBRP S5538409 Cat-Back Exhaust System is an excellent option. It’s a favorite among those who own pickup trucks and sport utility vehicles because of its tough construction, simple installation, and booming exhaust sound. The MBRP S5538409 Cat-Back Exhaust System is a good option for some people, but ultimately, the decision to buy should be based on the buyer’s own tastes and comparisons to other items in its class.

Gibson 618812 Cat-Back Exhaust System

The Gibson 618812 Cat-Back Exhaust System is made for high-powered SUVs and trucks that regularly venture off-road. The aluminized steel construction and superflow muffler give it a powerful growl when driven.

Customer evaluations claim that the Gibson 618812 Cat-Back Exhaust System significantly improves performance and increases horsepower. Many purchasers have expressed delight with the product’s high quality and the ease of its installation.

Customers who want a quieter ride may be disappointed to learn that the exhaust system is louder than they anticipated. Furthermore, some drivers have reported compatibility concerns with specific makes and models of vehicles.

The Gibson 618812 Cat-Back Exhaust System appears to be a high-quality item that effectively enhances both performance and sound. Drivers should be prepared for a louder exhaust sound, but they should do their research to make sure their car is compatible.

Flowmaster 817669 Cat-Back Exhaust System

For the 5.0L-powered 2015-2017 Ford F-150 pickups, Flowmaster offers a Cat-Back Exhaust System, model number 817669. It’s crafted out of 409S stainless steel, so it’ll last a long time and look good doing it. A Super 40 series muffler and dual 3.5-inch polished stainless steel tips are included in the system.

Customers have reported a significant improvement in power and performance after installing the Flowmaster 817669 Cat-Back Exhaust System. Many users also appreciate the system’s deep, powerful tone. Customers have complained that the exhaust is too loud for normal driving and could potentially draw the notice of authorities.

The Flowmaster 817669 Cat-Back Exhaust System requires some mechanical knowledge and experience to install. However, several buyers have complained that the instructions are unclear, suggesting that a professional installer may be required.

The Flowmaster 817669 Cat-Back Exhaust System is an excellent upgrade for your Ford F-150’s performance and sound. The downside is that it could be too loud for normal use and set up by an expert could be costly.

Dynomax 39510 Cat-Back Exhaust System

Dynomax 39510 Cat-Back Exhaust System is made to boost HP & Torque while decreasing Backpressure & increasing MPG. Featuring mandrel-bent pipes, welded mufflers, and polished tips, this high-performance exhaust system is made of the highest-grade stainless steel.

Customers who have installed the Dynomax 39510 Cat-Back Exhaust System on their vehicles report that the system sounds great, providing a louder and more aggressive tone than the vehicle’s stock exhaust. There was reportedly a boost in power and a reduction in engine noise, according to certain consumers.

The setup is simple and may be done with common equipment. But other buyers said the system didn’t fit correctly and needed tweaks to get it to line up right.

The Dynomax 39510 Cat-Back Exhaust System is a premium system that will enhance the performance and tone of your vehicle. This product should be on your short list if you’re trying to improve your exhaust system.

Corsa 24412 Cat-Back Exhaust System

The straight-through design and high-flow stainless steel muffler of the Corsa 24412 Cat-Back Exhaust System for the 2011-2014 Mustang GT are intended to improve the car’s sound and performance.

The use of 304 stainless steel in its construction makes it resistant to corrosion and guarantees its long life. Mandrel-bent tubing in the exhaust system enhances performance by lowering internal pressure and increasing exhaust flow.

There is no need for welding or cutting to install the exhaust system. It’s easy to set up because it comes with all the clamps and screws you’ll need. The exhaust system is not CARB compliant and hence may not be road legal in many states.

The Corsa 24412 Cat-Back Exhaust System is a good option if you want to improve your vehicle’s sound and performance. It lasts a long time, can be installed in no time, and produces a low, forceful exhaust sound. However, you should check CARB compliance and the noise level, both of which could be illegal in some areas, before making a purchase.

Banks Power 51313 Cat-Back Exhaust System

For pickup trucks, there is the Banks Power 51313 Cat-Back Exhaust System. High-quality components, including stainless steel, go into its construction; this product is meant to boost your truck’s functionality and aesthetics.

This exhaust works with many different makes and types of pickup trucks. It is simple to set up, since its bolt-on design eliminates the need for any cutting or welding.

The Banks Power 51313 Cat-Back Exhaust System is advertised as increasing horsepower and torque, enhancing fuel economy, and decreasing exhaust gas temperatures. The exhaust note is low and forceful, drawing attention wherever it goes.

When it comes down to it, the Banks Power 51313 Cat-Back Exhaust System is a great option for anyone wishing to enhance their truck’s performance and sound. However, before making any changes to your car, it is crucial to conduct your homework and talk to an experienced mechanic.

aFe 49-46231 Cat-Back Exhaust System

You can enhance your car’s sound and performance with the aFe 49-46231 Cat-Back Exhaust System. High-quality stainless steel is used in its construction, and the streamlined mandrel bends allow for minimal resistance to flow. A straight-through muffler layout is used for the exhaust system, which boosts power and torque while also making a more pleasing sound.

The aFe 49-46231 Cat-Back Exhaust System has a low learning curve and a quick installation time of two to three hours, depending on the installer’s proficiency. There is no need to make any adjustments to the exhaust system before installation. It’s important to note that this exhaust system is tailored to fit just certain vehicle types, so double-check your vehicle’s specifications before making a purchase.

Users of the aFe 49-46231 Cat-Back Exhaust System have noted an increase in both performance and sound quality after the upgrade. The system has been praised for the improvements it brings to the engine’s responsiveness and acceleration, as well as for the deeper and more aggressive exhaust tone it produces. Because of the increased flow and less backpressure, some people have also noticed a marginal improvement in fuel economy.

The aFe 49-46231 Cat-Back Exhaust System is a great addition to any car that wants to perform better. It’s a good buy because of the enhancements in performance and sound, as well as because of the high quality of its construction and the ease with which it can be installed.

MagnaFlow 17067 Cat-Back Exhaust System

According to MagnaFlow, the 17067 Cat-Back Exhaust System will improve both your car’s efficiency and its sound. It has a straight-through design and is made of stainless steel, making it a long-lasting exhaust system. A polished exhaust tip complements the overall design of the car.

MagnaFlow 17067 Cat-Back Exhaust System was designed to emit a low, rich sound without being overbearing. You can now enjoy a more threatening exhaust sound without having to sacrifice your ability to carry on a conversation while driving. In addition, unlike many other aftermarket exhaust systems, this one is less likely to rust and corrode over time.

The MagnaFlow 17067 Cat-Back Exhaust System is an excellent option to consider if you’re in the market for a new exhaust system because it may boost your vehicle’s performance and give it a more aggressive sound.


Which cat back exhaust system is perfect for your Jeep JK depends on your priorities in terms of sound, power, and overall performance. Our top 10 list of cat back exhausts for Jeep JKs should help you narrow down your options. Always check with a knowledgeable mechanic or Jeep expert to make sure your changes are installed correctly and safely before hitting the road.

How to Pick the Ideal Cat-Back Exhaust for Your Jeep JK

The Jeep Wrangler JK is a tough and nimble sport utility vehicle made for exploration. Your Jeep JK’s potent performance and distinctive look will get you noticed whether you’re driving it on the highway or across country. However, a cat-back exhaust system is one of the best improvements you can do if you want to take your vehicle to the next level.

The exhaust system, beginning with the catalytic converter and ending with the tailpipe, is what a cat-back exhaust system is meant to replace. Power, torque, and exhaust note may all be increased by swapping out your Jeep’s stock components for aftermarket upgrades. However, picking out the ideal cat-back exhaust for your Jeep JK is difficult due to the abundance of available alternatives. What follows is the information you’ll need to choose wisely.

Cat-back exhaust system definition

Let’s cover the fundamentals first, then go on to the particular. The components of a cat-back exhaust system, from the catalytic converter to the tailpipe, are designed to replace those of the stock exhaust system. A muffler is one of these parts, along with pipes and a resonator. (optional).

The muffler is the most crucial component since it lowers sound levels and boosts efficiency. A high-quality muffler will feature internals that are perforated and straight through, allowing exhaust gases to flow freely. It is crucial to select a muffler that works well with your driving style because the design and construction of the muffler can have a major impact on sound.

Cat-back exhaust systems have larger-diameter pipes than stock systems, which improves exhaust flow. Mandrel-bent pipes are used in some systems because they have a smoother surface than stock pipes, further decreasing exhaust resistance. A resonator is a supplementary part that can lessen exhaust noise even more.

A Cat-Back Exhaust System: All That It Can Do For You

There are many advantages to upgrading to a cat-back exhaust system for your Jeep JK. Some of the major benefits include the following:

A cat-back exhaust system enhances performance by freeing up more exhaust gas and so producing more power and torque. In some cases, this can improve acceleration, hauling capacity, and throttle response.

A better Jeep exhaust sound is possible with a high-quality cat-back system. Off-roaders who care about their reputation on the trails will appreciate this feature even more. However, pick a system that won’t be too annoying at large volumes or while driving on the highway.

An increase in fuel economy is one of the benefits of installing a cat-back exhaust system, which frees up the engine to run more smoothly and uses less gasoline as a result. Long-term, this might mean cheaper gas.

The resale value of your Jeep JK will rise if you install a professionally designed and built cat-back exhaust system, and this effect will be amplified if you keep all of your installation paperwork in a binder in the trunk.

Choosing a Cat-Back Exhaust System: Some Things to Keep in Mind

Now that you know what a cat-back exhaust system can do for you, it’s time to learn how to choose the right one for your Jeep JK.


Compatibility should be your primary priority. It’s important to select a cat-back exhaust system that’s compatible with your Jeep JK model specifically because not all systems are made to fit all models. Be cautious to do your homework before making a purchase; some systems may need extra adjustments or special fabrication to suit properly.

Building Components and Materials

The longevity, efficiency, and sound quality of your vehicle are all in the hands of the cat-back system’s materials and assembly. Try to get rust- and corrosion-proof systems constructed from high-quality stainless steel. Don’t bother with cheaply built or assembled systems; they could not last as long or operate as well as advertised.


When deciding on a cat-back exhaust system, noise levels are crucial. At highway speeds, a high-quality system will provide a powerful, snarling exhaust noise without being annoyingly loud. For the lowest possible noise output, seek out systems with internal perforations in the straight-through mufflers.


Upgrading to a cat-back exhaust system is often done to improve performance, so it’s crucial to select a setup that will actually do that. Power and torque can be greatly increased by installing devices that decrease backpressure and increase airflow.

Reputation of a Brand

Last but not least, think about what others have said about the brand you’re considering. You should do your research and only buy from reputable organizations who have a history of providing excellent service to their clients.

Compatibility, materials, sound, performance, and brand reputation are just some of the factors to consider when shopping for a cat-back exhaust system for your Jeep JK, and making the right choice will yield noticeable gains in these areas and more. A high-quality cat-back system is the ideal improvement for your Jeep JK, whether you plan on cruising the streets or tearing through the trails.


What exactly is a Jeep JK cat back exhaust?

A Jeep JK with a cat back exhaust has had its stock exhaust system, including the catalytic converter and muffler, replaced with a more efficient system.

Is it necessary to have a cat back exhaust system for my Jeep JK?

There are a number of advantages to installing a cat back exhaust, including more efficiency, more power, more torque, a more pleasant tone, and a more streamlined design.

What is the top-rated Jeep JK cat-back system?

Cat back exhaust systems for the Jeep JK vary in quality from brand to brand, but some of the best include Borla, Magnaflow, Flowmaster, and MBRP.

What is the best material for a Jeep JK cat back exhaust system?

A Jeep JK cat back exhaust system made of stainless steel is the best option due to its longevity and resistance to corrosion.

Will ruining my Jeep JK’s warranty if I put in a cat back exhaust system?

No. A Jeep JK’s warranty will not be voided due to the addition of a cat back exhaust system unless it can be demonstrated that this modification caused the malfunction or damage in question.

How does a dual exhaust system for a Jeep JK differ from a single system?

When compared to a dual exhaust system, which includes two mufflers and two tailpipes to maximize the flow of exhaust gases and boost performance, a single exhaust system consists of just one of each component.

Does a Jeep JK’s gas mileage improve with a cat back exhaust system?

As a matter of fact, a cat back exhaust system for a Jeep JK can increase MPG by decreasing backpressure and better mixing air and fuel.

Can a cat back exhaust system be retrofitted into a Jeep JK by the owner?

You can install a cat back exhaust system on your Jeep JK yourself if you have the right equipment and mechanical knowledge, but doing so is not recommended.

Approximately how much does a Jeep JK cat back exhaust system set you back?

A Jeep JK cat back exhaust system can cost anywhere from $300 to $1,000, with price fluctuations associated with differences in brand, material, and level of customization.

Will adding a cat back exhaust system to my Jeep JK increase its volume?

A cat back exhaust system for a Jeep JK can make it louder, though the actual volume will vary depending on the system’s manufacturer, material, and design.