Finding the best exhaust for 6.7 Cummins isn’t an easy task if you don’t have the right sort of knowledge. After all, no one wants to compromise while driving with such a powerful engine. This type of engine asks for better horsepower, and that’s why the selection of the right exhaust becomes very important. Having the perfect exhaust will boost the peak power and minimizes back pressure that can boost the engine’s performance.
Over the past few years, there are many companies that started manufacturing this unit. It makes things pretty difficult for buyers who often get confused due to the availability of such choices. There are many things that you need to understand before finalizing a model that all the buyers don’t have. We often get requests from readers who often complain they don’t get the right information about this thing on the internet.
What are the benefits of upgrading exhaust for 6.7 Cummins?
Are you still thinking whether to upgrade in the exhaust or not? Well, it is a great decision that you are making to improve the performance of your vehicle. Have a look at the advantages of upgrading an exhaust for 6.7 Cummins in detail below:
The majority of people don’t pay any attention to this advantage and only believe that it is all about sound or looks. Installing a high-quality exhaust will make sure the engine doesn’t gum up in any manner. While gumming doesn’t cause harmful effects instantly, but it can put many negative impacts in the long run.
This one is quite an obvious benefit that your vehicle can enjoy after upgrading their exhaust. The majority of exhausts is quite impressive in terms of looks and result in boosting the décor of your 6.7 Cummins for sure.
Investing in a high-quality exhaust can greatly benefit your vehicle if we talk about versatility. It is capable of adapting almost every type of cab or bed configurations in the vehicle. The thing we want the readers to understand in this case is you can remove this exhaust even while moving to a new car.
There is no way we will miss mentioning this advantage of upgrading an exhaust. Your vehicle will succeed in working with excellent power once you install a top-quality exhaust. The reason behind that these modern exhausts are capable of performing much better than the factory exhaust systems.
Read more about White Smoke From Exhaust: Main Causes & How To Fix
Top 6 Best Exhaust for 6.7 Cummins Reviews in 2023
If you are going through the same phase, then it is the perfect place for this thing. Here, we will offer you the list of top 6 best exhausts for 6.7 Cummins to buy in 2023 that created after a long-lasting and extended testing process. Have a look at all the models and buy the one that suits the needs perfectly. We believe that you will find the ideal model for sure after completing this post.
1. Diamond Eye K5252A Exhaust Kit (editor’s choice)
The exhaust that is a very deserving candidate for topping the list is the Diamond Eye K5252A which is built in the extreme right manner. Upgrading to this excellent exhaust will allow your vehicle to enjoy extended horsepower along with reducing EGTs. There will also be a considerable amount of increase in passes registered after installing this unit. The technicians have used top-class CNC machines and supporting equipment for letting the engine perform better.
It perfectly fits with 6.7 Cummins diesel engines without causing any trouble. The company has used a high-quality mixture of stainless steel and aluminized steel for crafting this exhaust system. That’s not all; you will enjoy a significant level of improvement in terms of fuel mileage.
The beginning of this system will begin from the turbo discharge with bent tubing that assists in making performance better. Additionally, the turbo system stays cool thanks to this design for effective convenience. This kit comes with a complete set of tools that ensure you don’t have to buy anything separately.
Overall, it is a complete exhaust that can be installed using a minimum amount of tools. We will say this tool is an excellent combination of perfect fitting and performance that everyone wants. Feel the raw power in your engine by installing this perfectly crafted unit.
- Minimizes EGT in the engine
- Reduces backflow restrictions
- Compatible with the most of diesel pickups
- Boosts fuel mileage
- Few complaints about slight drone
- Some may call it expensive
2. MBRP S6290AL (best dual exit exhaust)
The third option that we want to present is this magnificent single-side exhaust system that will fit perfectly on the 6.7 Cummins engines with ease. It has a completely stainless steel construction making there is nothing to worry about rust and corrosion. Furthermore, the company has also provided a mirror finish that can be very useful in terms of longevity.
The installation system of this exhaust can be completed using quite common hand tools. It makes sure there is no need to spend high costs on the installation process at all. You will be succeeded in providing a pretty rich and mellow exhaust note with the presence of this unit. That’s not all; the vehicle will also provide a boost to mileage by nearly two miles.
The torque and horsepower will also get a pretty significant boost for sure. It is included in the XP Series of the MBRP that proves how authentic it is. This product is backed by a lifetime warranty that very few exhaust offer. Your vehicle will also feel very low back pressure as the engine will begin to provide cool & clean air.
If we talk about the installation components, you won’t have to spend too much. The reason behind that is the company delivers all the components in the package. Also, enjoy the optimal level of sound from the pickup that is an extra benefit of this exhaust.
- Crafted in a very durable form
- Hassle-free installation process
- Keeps the engine cool
- Capable of withstanding a variety of stresses
- Design is awful
- Expensive exhaust to buy
3. MBRP S61340PLM 5” Aluminum Filter Back (best no muffler design)
The last option that our team wants to suggest in the article is this brilliantly designed model offering pretty wide radius mandrel bends. There is a pretty high-quality aluminized steel used for making this unit that definitely boosts the fuel economy and makes it better. It is backed by two years warranty giving a superb performance in the long run.
You can make the performance of the engine better without any need to compromising at all. The built-in quality is very good and capable to withstand all types of harsh issues. The company delivers it with a one year warranty that gives great peace of mind to the shoppers.
The manufacturer has provided the same specifications that the best exhaust for 6.7 Cummins demanded. There are great numbers of advantages that you can enjoy with this exhaust ranging from limited back pressure to highly improved throttle response. The process to install is pretty simple and gets completed within minutes without causing any trouble.
Having this amazing unit will allow your vehicle to have a perfect throttle response along with superb performance. Furthermore, the presence of a warranty ensures your mind stays free from all the worries. Install this exhaust in your system and enjoy the rust-free experience for many years to come.
- Reduces backpressure
- Crafted using high quality aluminized steel
- Backed by superb customer service
- Stay away from rust and corrosion
- Instruction manual took time to understand
- Limited warranty period
4. MVP Auto Parts Exhaust Turbo Downpipe
Manufactured by a trusted brand like MVP Auto Parts, this product is something that anyone will love to have in their engine. It is a turbo back type exhaust system that minimizes the band degree angles along with boosting the exhaust flow in the system. The company has used high-quality stainless steel for crafting this exhaust that doesn’t attain rust and corrosion in any manner.
It is the best exhaust for 6.7 Cummins thanks to its mandrel-bent tubing that always ensures superb flow in the system. The presence of this equipment will not only make the fuel efficiency better but also give a great boost when it comes to horsepower and torque. The main purpose of this exhaust is to boost off-road performance, and they have succeeded in doing so.
Apart from that, the look of this unit is quite impressive that makes it a perfect option even for sports cars. The manufacturer has used multi-core technology giving an extra sort of horsepower along with brilliant punching. Please understand that the fitting of this unit is top-notch, and the chance of any issue is very low.
Overall, it is a nice upgrade that you can have for increasing the performance of your diesel engine. The company has performed a job that makes it a top choice to make for getting the desired results.
- Create a very durable connection
- Highly amazing & solid stainless steel construction
- Capable of producing a loud exhaust sound
- Boosts up exhaust velocity
- Instructions aren’t easier to understand
- Not a cheap option to shop
5. aFe Power Atlas 5’ Aluminized Steel Exhaust System (best for aggressive sound)
Do you want the vehicle to provide a pretty aggressive sound during the operation of your vehicle? If your answer is yes, then there won’t be a better option than this exhaust system that can perform the same thing for you. It is fully assembled and manufactured in the United States using high-quality material.
The manufacturer has added a 5 inch aluminized steel tubing that helps in making the longevity to a different level. You will be surprised to know that it is a street-legal exhaust that is another reason to shop for this model. There is also a 5 inch aluminized steel tubing provided to the unit along with an exciting laser cut badge.
There are only factory mounting locations used by this exhaust for making the installation faster & free from any hassles. It has very smooth transition bends that only not ensure low-level turbulence, but also helps in minimizing the EGT’s levels. In simple words, this unit is going to provide an incredible value to your vehicle.
Also, there are OE style bayonet hangers added for allowing a pretty stable pipe location when there will be a high level of vibrations and heat. Your 6.7L Cummins will get pretty better in the presence of this unit. Get ready for amazing performance if you have planned to install this exhaust in your vehicle.
- Manufactured using top-quality mandrel-bent steel
- Completely leak-free seal
- Capable of performing exceptionally during high vibrations
- Prevent corrosion & rust
- Installation takes time to complete
6. MVP Auto Parts Dodge Ram Exhaust (best dual exhaust pick)
Our motive is to help buyers of all types as everyone has a little bit different requirements. This one is for individuals who are looking to install a dual exhaust in their 6.7L Cummins. It is a brilliant product that fits with many systems that range from long bed to short bed and even crew cab. The manufacturer has crafted it in a straight pipe design for better performance.
There is no need for any kind of muffler as the manufacturer delivers it with dual 5” polished tips. You can enjoy a solid level of flow due to the presence of mandrel-bent tubing. Additionally, the simple bolt-on installation system makes things extra convenient for the buyers. The things like hangers and clamps are delivered with the package.
The manufacturer has only used top-quality aluminized steel for making this exhaust providing great value to the system. It gets mounted after DPF that results in providing the highest level of diameter along with minimizing the band degree angles.
The main motive of this unit is to offer nearly the lowest exhaust gas temperatures, and they have succeeded in doing so. If you want to give a harmless boost to your engine, then investing in this product fully makes sense, so don’t waste investing in this model.
- Easy to understand bolt-on installation
- Give the maximum level of diameter
- Minimizes band degree angles
- Delivered with a great set of accessories
- None at all
Buying Guide- How we have tested the best exhaust for 6.7 Cummins?
Many people believe that they can just make a random pick from the market and uses it for their 6.7 Cummins. However, the selection of a bad option can hurt things pretty badly in the long run. It should be avoided at any cost by following the right criteria. Our team has checked all the required factors for ensuring that the buyers get access to the right exhaust. Have a look at all of them carefully below:
The main thing that we have promptly checked in the exhaust before making it a part of this list is the ease of installation. Normally, there is a need to go underneath the car for installing an exhaust for these types of vehicles. All the options mentioned in this post have a convenient and quick setting process to ensure that buyers have a wonderful experience.
The next one is a very critical consideration that needs to be understood with a calm mind. This choice varies from one person to another as some look for a loud exhaust system while others only want technical features in the unit. Our team has tried to tackle down things for all types of buyers to ensure that various buyers can easily make a choice. It means you can trust on any of these models according to choice.
The third factor our team has carefully evaluated before making them a part of this list is the solidity and longevity of the unit. After all, you are spending hard-earned money on buying a new exhaust for your 6.7L Cummins. It is essential this unit lasts the same for many years. This unit goes through lots of hot air putting extra pressure. We have only added exhausts crafted using high-quality material and capable of working for many years to come.
Another thing that needs to be considered very carefully during the selection process is the budget of the exhaust. It is something that varies greatly from one person to another, so there is a need to stay cautious during the selection process. Our team has tried to ensure that everyone ends up making an ideal choice from the list. They have provided products in a range of prices making sure one can afford the exhaust according to their requirement.
How to change exhaust for 6.7 Cummins?
The exhaust system plays an important role in 6.7 Cummins for efficient and quiet performance. It is essential to change the system according to the conditions mentioned by the manufacturer. However, installing the new exhaust system isn’t easier and needs to be performed properly. Look at the steps that you need to follow for installing the exhaust system.
The first thing to do is parking the 6.7 Cummins on a flat surface and turns it off. It will create the required base for having the proper installation.
Use a floor jack for raising the vehicle from the ground. Make sure that all the jack points are positioned properly under the vehicle. It is also recommended to soak the hardware with a PB blaster for at least 5 minutes.
In this step, you need to eliminate the muffler with a socket and a ratchet before moving further. Don’t forget to remove the muffler from the rubber hangers as most people don’t do that. However, it would help if you always did it.
The catalytic converter needs to be detached now that can be done by removing the bolt and middle part. Once you have done it, the rubber hangers need to be replaced by the system.
Install the new rubber hangers and slipping the new muffler on them. After that, there is a need to set the completely new gasket between the new exhaust and catalytic converter.
It is strongly recommended to go for new hardware for fastening the flange. The flange that adjoins the middle piping to the muffler should be located followed that. The exhaust system’s placement should be fine-tuned by tightening the bolts on all the flanges. Please make sure that the exhaust is capable of hanging comfortably on the hangers.
Now, the most of work is done, and you only need to start and listen to how the new exhaust is working. Double-check all the flanges for escaping gases. It is easy to identify a leak with its sound.
Once you feel there are no leaks, we suggest you lower the car back to the ground by removing safety jack hands.
My Top Pick and Why?
The Diamond K5252A Exhaust Kit is aluminized kit that knows how to deliver a mellow exhaust to the car. It doesn’t ask for the length set of tools as you can easily complete it using the common ones. Most users have acknowledged an improvement up to 1-2 mph after installing this exhaust system in their 6.7 Cummins.
There is also a significant level of boost witnessed in terms of horsepower and torque for sure. The manufacturer has done very exclusive work that very few have done before. All the features available in this unit prove it is the perfect option to shop for your vehicle.
That’s not all; the installation system of this quality unit is quite wonderful and performs beyond expectations in the most cases. It is a certified exhaust system that can do wonders for the 6.7 Cummins for sure.
Best Exhaust for 6.7 Cummins- Frequently Asked Questions
1. What are the things that come out of diesel exhaust?
There are a number of contaminants that come out the diesel exhaust ranging from water vapor to carbon dioxide and carbon monoxide. Additionally, it has nitrogen and sulfur dioxide in these contaminants.
2. How can we make the sound of 6.7 Cummins louder?
The best way to do this thing is by eliminating the intake baffle from inside the engine turbocharger. Finding a better method to listen to the turbo sound is almost an impossible task. For those who don’t know, it is a plastic hose that wrapped using the foam.
3. Are exhausts brakes bad for diesel engines?
Please understand that the exhausts are fully silent in operation. The primary purpose of the engine brake is slowing down & stopping the vehicle. It produces lots of sounds when applied instantly. However, the operation of exhaust brakes is noiseless and provides extra convenience regularly.
4. Can I improve my engine’s torque by having a quality exhaust system of 6.7 Cummins?
There can be a pretty solid improvement enjoyed by the installation of a top-class exhaust system. It is strongly suggested never to have an inefficient system as you may have to deal with numerous bends in the pipes. The presence of the right exhaust system will make your 6.7cummins breathe freely and allow the engine to perform at its best.
5. Are there symptoms of engine failure in the 6.7 Cummins?
The users have to deal with few issues like worn bearings, leaking oil seals, slow spool, excessive smoke, and whining sounds when the engine is prone to fail in 6.7 Cummins.
Have you made the final call for changing the exhaust system of your vehicle? We are pretty assured that you have selected the best exhaust for 6.7 Cummins from the list presented in this post. Replace the old version with a completely new modern exhaust system will only not allow your car to perform better but also helps in making the looks excellent.
Do you still have queries regarding this equipment? If yes, then we suggest writing about it in the comment section so our team can help you.
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