Buyer’s Guide: Best Cold Air Intake for RAM 2500 Diesel

Best Cold Air Intake for RAM 2500 Diesel Engine? Do you own a RAM 2500 diesel truck? If so, you know that it’s a powerful machine. But did you know that you can make it even more powerful by installing a cold air intake system?

Are you excited to explore some of the best air intake kits for RAM 2500?

Well, according to my research, some best air intake kits for RAM 2500 diesel engines are K&N Cold Air Intake Kit 63-1568, Spectre Performance SPE-9931 Air Intake Kit, Sinister Diesel Cold Air Intake, aFe Power Magnum FORCE 51-32412, and S&B Filters 75-5068 Cold Air Intake.

Read on to learn the detailed review of each of these products. After viewing the pros and cons list, you can easily decide the one which suits your vehicle.

5 Best Cold Air Intake for RAM 2500 Diesel Engine

A cold air intake system allows your engine to breathe easier, and as a result, it produces more power.

There are many different types of cold air intake systems on the market, and each has its own set of benefits. However, I have handpicked some of the best air intake kits available for RAM 2500. Here’s a list of five such products:

1. K&N Cold Air Intake Kit 63-15681

Why settle for less when you can have everything? Get the ultimate longevity, increased horsepower, and better-towing capabilities with K&N air intake systems. Bolt-ons are easy as pie!

K&N’s million-mile warranty ensures that you will never have to worry about any repairs or replacement parts. Additionally, it also increases horsepower for better acceleration and uphill performance–all this while providing improved sound quality in the engine bay with its high-flowing muffler system!

· 50% increased airflow and an exceptional filtration
· Supports a range of RAM 2500 variants i.e. 2014 to 2018
· Strong rubber flanges for vibration absorption
· No filter cleaning is required for up to 100,000 miles
· No ECU tuning is required
· Better towing and sound
· Not much improvement in fuel economy

Related Article: Best Exhaust for RAM 2500 6.4 Hemi

2. Spectre Performance SPE-9931 Air Intake Kit

The second product on our list is from Spectre, another known name is air intake kits. The company claims that it improves the airflow by about 50%, and further improves the towing, and uphill acceleration.

You will enjoy a sleek, low-profile install with the Spectre air intake kit. The kit comes complete including an all-natural cotton boot and reusable filter that will keep your engine running clean for years to come!

You don’t need to clean it till 100,000 miles; thanks to its exceptionally good air filters.

· Advanced filter design to protect the engine from contaminants
· 50% increased airflow over the stock system
· Heat shield
· The kit includes all the necessary parts for installation. Nothing extra is required.
· Not much improvement in fuel economy

3. Sinister Diesel Cold Air Intake

Sinister Diesel is a leader in high-performance, durable diesel engine parts. Its intake systems are designed to give your vehicle more power and better gas mileage by improving airflow through it. For instance, the mandrel-bent aluminum tubes provide maximum airflow for increased fuel efficiency.

You will find silicon couplers within the kit that have superior quality over OEM materials. The polished and powder-coated external blue surface gives it an eye-catching look.

You can easily install it with all the basic tools in your toolbox.

· Aluminum Tubing (Mandrel bend) that fits perfectly on the trucks
· The signature Blue exterior gives it a classy look
· All attachments are sent with the kit,
· Reusable cotton filter which lasts a very long time.
· Compatible with RAM 2500 models, 2014-18
· Overpriced AirIntake kit

4. aFe Power Magnum FORCE 51-32412

Take your RAM truck from stock to the next stage with a new intake system for 2013 and 2014 models equipped with the L6 6.7 Turbo Diesel engine! The highly engineered design uses a powder-coated heat-shielded air box and one-piece tube that will give you 113% more flow compared to factory counterparts.

The layered synthetic oil-free filters are made out of 100 percent polyurethane which makes them durable and lasts longer for multiple cycles.

Furthermore, a radial cone is used inside that makes the airflow radial and maximizes the filtration (up to 99.2%). The rotomolded tube design results in increased volumetric efficiency and helps in reducing IAT.

· 113% increased airflow over OEM counterpart
· 3-layer washable non-oil synthetic media for perfect filtration and cleaning of the air.
· Large 5-inch flange and radial cone to speed up and make the filtration process efficient.
· Improved volumetric efficiency and low IAT
· Not Legal for sale in California since it’s not CARB exempt

5. S&B Filters 75-5068 Cold Air Intake

The S&B High-Flow Catalytic Converter is designed for 2013 to 2018 Dodge RAM 2500 to avoid check engine lights and deliver more airflow with a 99.55% efficiency rating. It is tested according to internationally accepted ISO 5011 standards.

The premium silicone parts last longer than conventional ones making it possible not only to improve fuel consumption but also to reduce harmful greenhouse gases which cause climate change.

·         54.6% Increased flow
·         Avoids Check Engine Light codes
·         Efficient Silicone air filter
·         Easy installation
· Doesn’t support the latest RAM models


What is the best cold air intake for RAM 2500 diesel?

The best cold air intake for RAM 2500 diesel would be the one that offers superior airflow and filtration while being durable and easy to install. I would recommend the aFe Power Magnum FORCE 51-32412 or the S&B Filters 75-5068 Cold Air Intake.

What are the benefits of cold air intake for RAM 2500 diesel?

A cold air intake can improve your vehicle’s performance by increasing airflow and improving filtration. It can also help to improve fuel efficiency and reduce engine noise.

What are the symptoms of a bad cold air intake for RAM 2500 diesel?

If your cold air intake is not functioning properly, you may notice a decrease in performance, fuel efficiency, and engine noise. You may also see an increase in engine temperature.

Final Words:

A cold air intake is a great way to improve your RAM 2500 diesel truck’s performance. We have looked at some of the best cold air intakes on the market. These intakes offer superior airflow and filtration while being durable and easy to install.

I hope that this article helped make your selection! If you have any further queries, feel free to reach me.

Related Articles:


I have 20 years of mechanical engineering experience in the auto sector. In order for you to enjoy your rides more, I'm here to assist you with simple fixes for issues with your car as well as to share my knowledge and experience.

Related Articles

Leave a Reply

Your email address will not be published. Required fields are marked *

Check Also
Back to top button