Best Diesel Exhaust System in 2022: Top 10 Picks

Sometimes it might be quite difficult to find the best diesel exhaust system. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this diesel exhaust system buying guide.

Our Top 10 Recommendations:

The 10 Top Diesel Exhaust System Reviews:

Bestseller No. 1
Diamond Eye K4110A-RP Diesel Exhaust 4" Cat Back Aluminized - No Muffler Duramax
  • Diamond Eye K4110A-RP Diesel Exhaust 4" Cat Back Aluminized - No Muffler Duramax
Bestseller No. 2
MagnaFlow Cat-Back Performance Exhaust System 17876 - Pro Series, Stainless Steel 5in Main Piping, Single Passenger Side Rear Exit, Satin Finish Muffler with No Tip - Ram Truck Exhaust Kit
  • AGGRESSIVE SOUND/PRO SERIES - This diesel performance exhaust is designed to increase power and sound without sacrificing comfortable levels of interior noise. Fast-flowing mandrel bent pipes with straight-through mufflers facilitate reduced exhaust restriction and that signature MagnaFlow sound. Specifically designed for the 2003-2007 Dodge Ram 2500/3500
  • CAT-BACK PERFORMANCE - The system is 50-state legal, features 5” mandrel bent tubing and is designed to replace the original exhaust components following the last emissions device. Features a satin finish muffler and no tip with a no hassle emissions legal design
  • BOLT-ON INSTALLATION - MagnaFlow utilizes state-of-the-art 3D scanning technology during the research and development process to ensure that this exhaust system will fit and outperform the original equipment. CNC precision robotic manufacturing and mandrel bent tubing allow for hassle-free bolt-on installation
  • STAINLESS-STEEL CONSTRUCTION - Highly corrosion resistant, Stainless-Steel construction incorporating CNC precision robotic manufacturing for quality fitment and longevity. Built to be the exhaust that lasts the lifetime of your vehicle
  • STAINLESS-STEEL CONSTRUCTION - Highly corrosion resistant, Stainless-Steel construction incorporating CNC precision robotic manufacturing for quality fitment and longevity. Built to be the exhaust that lasts the lifetime of your vehicle
Bestseller No. 3
BD Diesel Performance 1300210 Exhaust Brake Switch
  • Product type :AUTO PART
  • Package dimensions :22.098 cm L x16.764 cm W x5.842 cm H
  • country of origin :Canada
  • package weight :0.5lbs
Bestseller No. 4
Roush 422126 2017-2020 F250 F350 6.7L Diesel Exhaust System
  • For 2017-2020 F250 and F350 6.7L Diesels; Any cab or bed configuration!
  • Includes 5" vented exhaust tips etched with ROUSH logo; 25% larger tip over stock
  • Made from durable, long lasting 304 stainless steel; Mandrel-bent 4.0" pipes for excellent exhaust flow
  • Single piece design for precise fitment and weight savings over stock
  • Quick and simple installation with no cutting required
Bestseller No. 5
5 Inches Muffler Tip Catback Exhaust System Compatible with Dodge Ram Truck 2500 3500 6.7L Diesel 10-12
  • ▶️ Made of High Quality Aluminized Steel with Computerized Mandrel-Bends for Strength and Durability
  • ▶️ TIG Welded CNC Machine Flange for Resistance against Pressure and Corrosion
  • ▶️ Aggressive Deep Sound while Ensures Smooth Exhaust Gas Flow
  • ▶️ High Performance Racing Spec. Design
  • ▶️ Major Piping Diameter: 4" OD
SaleBestseller No. 6
Motorkote Diesel Exhaust Fluid Reducer and Diesel Particulate Filter DPF Cleaner, Concentrated Diesel Fuel System Cleaner16 fl. oz, 1 Pack MK-50940
  • reduce regenerative burn cycles up to 80%
  • reduces def usage, and reduces downtime costs
  • extend particulate filter life
  • effective in all diesel fuels including ulsd and biodiesel blends containing up to 20% biodiesel (b20)
  • ultra low sulfur diesel (ulsd) compliant ultra-concentrated formula
Bestseller No. 7
Catalytic Converter Cleaner & Exhaust Pipe Carbon Removal Auto Parts Engine Boost Up Cleaner Fuel System Treatment Oil Additive for Gas and Diesel Car (2 Pcs)
  • The catalytic converter cleaner is a kind of transparent liquid for cleaning the complex on the surface of ternary catalytic converter of motor vehicles. It can effectively remove sulfur, phosphorus and other chemicals on the surface of ternary catalytic converter, drege the blockage of exhaust pipe, restore the activity of ternary catalytic converter, and prolong the service life of ternary catalytic converter.
  • No need to remove parts and pours straight into the oil tank, making it easy to use. Do not go to 4S shop and repair shop, it can go to the sludge at the same time easy to remove carbon, ensure the normal work of the engine, make the car engine full horsepower, reduce noise and shake, but also help you save fuel consumption!
  • Effective dosage: it is recommended to use 2 bottles for vehicles within 10000 km, 3 bottles for vehicles with 20000-30000 km and 6 bottles for vehicles with 30000-80000 km. Daily maintenance only needs to add another bottle every 5000 kilometers.
  • Ultimate Cleaning Solution: No more exhaust system problem, the cleaner can also clean other parts like the oxygen sensor, the fuel injectors, cylinder heads, and others.
  • Suitable For Gasoline And Diesel Engines: our versatile valve cleaner is designed to provide efficient oxygen sensor and catalytic converter cleaning to every car featuring a diesel or gasoline engine.
Bestseller No. 8
Diamond Eye K4234A Cat-Back Exhaust System
  • Lower's EGTs & Increases Horsepower, Torque & Fuel Effeciency
Bestseller No. 9
Cataclean 120007-6 Cataclean Fuel And Exhaust System Cleaner 16 oz. 6 Pack Countertop Pop Display Set Cataclean Fuel And Exhaust System Cleaner
  • Does not alter fuel composition and is safe for gasoline, diesel and Hybrid engines
  • 6-Pack Countertop Display Set
  • EPA Approved
  • Easy to use - Simply pop, pour and go every 3 months
  • Original long nose bottle which is capless gas tank compatible
Bestseller No. 10
Diesel Engine Technology: Fundamentals, Service, Repair
  • Norman, Andrew (Author)
  • English (Publication Language)
  • 280 Pages - 02/15/2021 (Publication Date) - Goodheart-Willcox (Publisher)

Last update on 2022-09-28 / Affiliate links / Images from Amazon Product Advertising API

How to find the best diesel exhaust system?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best diesel exhaust system for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good diesel exhaust system recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

  • What features does the diesel exhaust system need to have to be perfect for my needs?
  • What is my budget?
  • Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for diesel exhaust system to find what you’re looking for:


In some cases, the brand of diesel exhaust system is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.


The features in any given diesel exhaust system are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.


Customer reviews about diesel exhaust system are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.


Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare diesel exhaust system quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.


Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.


The quest to find the best diesel exhaust system can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.