The 5 Best Cold Air Intake for Your 6.7L Cummins!
If youāre looking for the best cold air intake for your 6.7 Cummins, youāve come to the right place!
The 6.7L Cummins is the most powerful engine available for RAM 2500 & 3500 trucks. It delivers over 400+HP & 1K pound-feet of raw torque for the best-in-class towing. But to get the maximum performance out of your truck, you need to upgrade the air intake system.
A cold air intake is one of the best performance upgrades you can make to any engine. It will improve airflow to the engine, which will boost not only performance but fuel economy as well.
But with so many options in the market, it can be hard to know which one is best for your truck, especially if you are not an expert.
No worries! Weāve done the research for you. Below are five of the best cold air intakes on the market today. Our top picks are based on thorough testing and customer review analysis to guarantee improvement.
REVIEWS: 5 Best cold air intakes for 6.7 Cummins engine
1. S&B Cold Air Intake with oiled filter for 6.7 Cummins
Highlights
- The CAI fits 2013-22 6.7L Cummins RAM 2500 & 3500
- Oiled cleanable cotton filter media
- Allows 54.60% better airflow than stock
- Offers improved air/fuel ratios for better MPG
- Custom airbox that prevents engine heat and dirt
- It is one of the easiest to install and DIYable.
- The cold air intake is legal in all 50 US states.
If youāre looking for the best cold air intake on the market for your 6.7 Cummins, then you canāt go wrong with S&B. This CAI is explicitly designed for RAM 2500 & 3500 trucks with the 6.7L Cummins engine. It features oiled, cleanable cotton Filter media, allowing 54.60% better airflow than stock. The S&B intake also offers improved air/fuel ratios for better MPG, and itās one of the easiest to install, making it a great DIY upgrade. S&B cold air intake system is constructed with silicon rubber filters and couplers, which assures leakproof fitting. The system is enclosed in a custom airbox that acts as a shield from engine heat and other debris. Plus, the premium built quality ensures that your underhood is aesthetically pleasing! And if that wasnāt enough, this CAI is legal in all 50 US states, including CA!
Pros
- Specifically designed for the 6.7L Cummins engine in RAM 2500 & 3500 trucks
- 54.60% better airflow than stock
- Improved air/fuel ratios for better MPG
- Easy to install, making it a great DIY upgrade
- Custom airbox that prevents engine heat and other debris from entering the intake system
- Premium built quality that looks good and increases underhood aesthetics
- Legal in all 50 US states, including CA!
Cons
- Slightly expensive
2. K&N Series 63 cold air intake for 2019-22 6.7L Cummins RAM
Highlights
- Compatible with 2019-22 6.7L Cummins RAM 2500 & 3500
- Enhances horsepower, torque, and engine sound
- Reinforces throttle response
- Twice better air flow and oxygen feeding than the stock setup
- Oiled cotton filter media
- Enclosed air box design for shield from engine heatĀ
- Bolt-On beginner-friendly Installation
- No need for tunning
- Backed by a Million-Mile Warranty/10-Year Limited Warranty
If youāre looking for a cold air intake that will give your 2019-22 6.7L Cummins RAM 2500 or 3500 a performance boost, the K&N Series 63 cold air intake wonāt disappoint you. This CAI has been designed to increase horsepower, torque, and engine sound and reinforce throttle response. It also features twice better air flow and oxygen availability to the engine than stock intakes, making it more efficient. The High-Flow Air Filter & Oiled Cotton Media helps keep your engine clean while the enclosed airbox design protects it from heat damage. Installation is bolt-on and beginner-friendly, with no need for tunning. Not to mention, the K&N Series 63 cold air intake is backed by a million-mile/10-Year limited warranty. So if youāre looking for a quality CAI that will last long enough, the K&N Series 63 is a great option. However, if youāre looking for a more budget-friendly option, you may want to look elsewhere, as this CAI is on the expensive side.
Pros
- The cold air intake (CAI) enhances horsepower, torque, and engine sound
- Reinforces throttle response
- Twice better air flow and oxygen availability to the engine, which means better efficiency
- Washable and reusable oiled cotton filter media
- Polyethylene intake tube for durable yet the lightweight footprint
- Enclosed air box design for shield from engine heat
- Bolt-on beginner-friendly installation
- No need for tunning
Cons
- $399.99 price tag may be out of budget for some consumers
- It may require tuning for some vehicles
3. AFE 54-13018D Magnum FORCE Stage 2 CAI kit for 13-18 6.7L RAMĀ
Highlights
- Compatible with 2013-18 6.7L diesel RAM 2500 & 3500 trucks
- The CAI adds up to +125% airflow improvement over stock
- Dyno-proven 10HP & 25 Lbs. x Ft. Torque gains
- It improves engine protection, sound, and fuel efficiency
- Quick and simple installation
- Factory RAM Active Air System with no additional hardware required
- Washable filter mediaĀ
- Comes in Pro DRY S Air & 5R Oiled Filter variants
- Up to 2-year max warranty
Next up on our list is the AFE 54-13018D Magnum FORCE Stage 2, a CAI kit for 2013-18 6.7L Cummins RAM 2500 & 3500 trucks. This CAI kit adds up to +125% airflow enhancement than stock and is dyno-proven to deliver up to 10HP & 25 Lbs. x Ft. torque gains. In addition to better performance, the CAI kit also improves fuel efficiency and provides better engine protection. The massive 9ā³ tall air filter with an inverted top offers maximum surface area, flow, and service life. Its filter-to-housing interface makes for a quick and simple installation that requires minimal assembly. The kit also incorporates the Factory RAM Active Air System with no additional hardware. The washable and reusable filter comes in Pro DRY S Air & 5R Oiled Filter, so you can choose your favorite filter media type. This product is backed by only a 2-year max warranty. Although the quality is excellent, the price tag is relatively high, and the warranty is limited compared to the competition.
Pros
- Adds up to a +125% airflow improvement over the stock setup
- Dyno-proven 10HP & 25 Lbs. x Ft. Torque gains
- Improves fuel efficiency
- Better engine protection
- Quick and simple installation
- Washable and reusable filter comes in Pro DRY S Air & 5R Oiled Filter variants
Cons
- Not enough warranty coverage
- Some people may find it slightly expensive
4. S&B 75-5132D CAI with Extendable Dry Filter for 6.7L RAM 2500
Highlights
- Compatible with 2019-22 6.7L Cummins RAM 2500 trucks
- Dry extendable filter
- The cold air intake Lessens Turbo Lag
- Has 51.65% better airflow than the stock setup
- Improves combustion efficiency and fuel Economy
- Equipped with Mass Air Flow Sensor to ensure max oxygen feeding to the engine
- Comes with assuring Million-Mile Warranty
If youāre looking for a CAI system that will provide your 6.7L Cummins RAM 2500 with the best airflow and protection against contaminants, look no further than the S&B 75-5132D CAI. It is equipped with a Dry Extendable Filter that will keep your engine running smoothly and provide better airflow than the stock setup ā which means more efficient combustion and better fuel economy. It is also equipped with a Mass Air Flow Sensor that ensures your engine gets maximum oxygen flow for optimal performance. And if there are any problems with your kit, donāt worry ā S&B backs their products with a Million-Mile Warranty. So if youāre looking for the best cold air intake system for your 2019-22 6.7L Cummins RAM 2500, the S&B 75-5132D is the way to go.
Pros
- The cold air intake system offers better airflow than the stock setup, improving combustion efficiency and fuel economy.
- The kit is equipped with a reliable Mass Air Flow Sensor to ensure maximum oxygen feeding to the engine.
- The kit comes with a reassuring Million-Mile Warranty.
Cons
- The CAI kit is slightly expensive.
5. AFE Magnum FORCE Stage 2 CAI kit for 2003-09 6.7L Cummins RAM
Highlights
- Compatible with 2003-09 6.7L Cummins RAM 2500 & 3500 trucks
- This CAI produces 14+ HP and 27lbs. x ft. torque gainsĀ
- Supplies 105% more oxygen to the engine than stock filters.Ā
- Includes a durable 16 gauge, powder-coated heat shield
- Conical PRO 5R oiled air filter media that is washable and reusable.Ā
- Durable and long-life CAI system
- Only 2 years of warranty
- Impressive build quality
The last but not the least CAI in our list is the AFE Magnum FORCE Stage 2 CAI kit which is compatible with the 2003-2009 6.7L Cummins diesel RAM 2500 & 3500 trucks. It produces 14+ horsepower and 27lbs. x ft. torque gains. It also supplies 105% more oxygen to the engine than stock filters. The AFE Magnum kit includes a durable 16 gauge, powder-coated heat shield and has polyurethane conical PRO 5R oiled air filter media that is washable and reusable. It is a durable and long-life CAI system packed with 2 years of warranty which is significantly less compared to competitors like K&N and S&B. Another drawback of this product is that it is costly. But if you are looking for an impressive build quality CAI system, then this is the one you should go for.
Pros
- Produces 14+ horsepower and 27lbs. x ft. torque gains
- Supplies 105% more oxygen to the engine than stock filters which translates to better MPG
- Includes a durable 16 gauge, powder-coated heat shield
- Has polyurethane conical PRO 5R oiled air filter media that is washable and reusable
Cons
- Very expensive
- Comparatively limited warranty period
Should you invest in a cold air intake(CAI): The Pros & Cons
When it comes to your 6.7 Cummins, there are many ways you can improve its performance. One popular option is to install a cold air intake or CAI. But is this really the best way to go about improving your truckās performance? Letās take a look at the pros and cons of installing a CAI on your 6.7 Cummins.
PROS:
1. Increased airflow: A CAI will increase your engineās airflow, which can lead to more power and improved efficiency.
2. Cooler air: Because a CAI draws in air from outside the engine bay, it can help to lower intake temperatures and improve performance, especially in hot weather.
3. Better throttle response: Many truck owners report installing a CAI leads to snappier throttle response and improved acceleration.
CONS:
1. Can be expensive: Depending on the brand and quality of the CAI you choose, it can be one of the more expensive performance upgrades for your truck.
2. Can be difficult to install: CAIs can sometimes be tricky, especially if you donāt have experience with automotive mods. Itās always a good idea to consult a professional mechanic or installer before attempting to install a CAI yourself.
3. May not be street legal: In some states, driving your truck with a CAI is illegal. Check your local laws before installing a CAI on your vehicle.
So, should you install a cold air intake on your 6.7 Cummins? Ultimately, the decision is up to you. A CAI may be a good option if youāre looking for increased power and performance. However, if youāre worried about the cost or difficulty of installation, you may want to consider other performance upgrades for your truck.
Cold air intake buying guide: What features to look for?
When shopping for a cold air intake, there are several features youāll want to keep in mind. Here are some of the most important things to look for:
1. Airflow: The most important thing to consider in a CAI is increased airflow. This means that the CAI should allow more air to flow into the engine, leading to more power and improved efficiency.
2. Cooler air: As we mentioned, a CAI can help lower intake temperatures by drawing in air from outside the engine bay. This is especially important in hot weather.
3. Better throttle response: Many truck owners report installing a CAI leads to snappier throttle response and improved acceleration. If this is a priority for you, look for a CAI that advertises this feature.
4. Easy installation: Unless youāre a professional mechanic, youāll probably want a CAI that is relatively easy to install. Some CAIs can be pretty tricky to install, so read the installation instructions carefully before purchasing.
5. Street legal: In some states, like California, for instance, it may be illegal to drive your truck with a CAI installed. Be sure to check your local laws before purchasing a CAI. If you have a RAM truck with a HEMI engine then check out this review for the best cold air intakes.
FAQs related to CAI for 6.7 Cummins
Does a cold air intake help 6.7 Cummins?
The 6.7 Cummins is a powerhouse and a heat machine, of course. A cold air intake can help to improve the performance of your 6.7 Cummins by increasing airflow, lowering intake temperatures, and fuel efficiency. Additionally, many truck owners report that installing a CAI leads to snappier throttle response and improved acceleration.
How much horsepower does a cold air intake add to a Cummins?
The answer to this question depends. I mean, the gain may vary from brand to brand, and also, some CAI specializes in HP gain while others in MPG gain. For instance, AFE Magnum FORCE Stage 2 can deliver up to 14+HP upliftment.
Do cold air intakes help diesel?
Yes, cold air intake can help diesel engines by supplying more oxygen, keeping the temperature low, and improving fuel efficiency and power.