Open vs. Closed Cold Air Intake: The Pros and Cons

Open vs. Closed Cold Air Intake: The Pros and Cons

Cold air intakes are among the best upgrades for your truck. Which option is better between open and closed cold air intakes? They both have pros and cons, so it’s important to get a good understanding of them. When you see the distinct benefits and drawbacks, you can determine the best one for your truck.

Increased Airflow

At the heart of vehicle performance lies the principle of airflow. An open air intake system champions this by facilitating a higher volume of airflow into the engine. This surge of oxygen feeds the combustion process, resulting in a more powerful and efficient engine output. Conversely, a closed air intake system restricts airflow. While it may safeguard the engine from external pollutants, it could cap the engine’s capability to reach its full power potential.

Engine Noise

The cold air intake will also influence engine noise. Depending on the level of sound you want for your engine, consider the differences that each air intake brings to your truck. Some drivers love a loud and beefy roar, while others want to drive quietly. An open air intake system is better for noise, delivering a more aggressive sound, while a closed air intake is better at reducing sound.

Protection Against Water and Debris

The closed air intake system shines in its ability to shield the engine from the ingress of water and debris. Its enclosed structure minimizes the risk of external elements compromising engine integrity. This protective feature stands in contrast to the open air intake system, which is more vulnerable to environmental contaminants. You should definitely consider this drawback in your air intake search. If you’re going to be driving through wet and dusty terrains, a closed air intake may be better for your truck.

Maintenance, Maintenance, Maintenance

Maintenance is an inevitable part of vehicle ownership, and the type of cold air intake system you choose can influence the frequency and intensity of upkeep. The closed air intake system’s design protects the engine from rapid accumulation of dirt and debris, translating to less frequent cleaning. Alternatively, the open air intake system demands more regular maintenance. They can clog quite easily, which requires you to put in more effort to keep it clear and functional.

Many truck owners consider the pros and cons of open and closed cold air intakes, and you should, too! At the end of the day, the choice is yours. Go with what works for your preferences and your truck. Whichever option you choose, let Norcal Diesel Performance help. We have an extensive selection of open and closed 2017-2022 6.7 Powerstroke air intakes. We’ll guide you toward a choice that works for you and your truck!

Frequently Asked Questions About Open vs. Closed Cold Air Intakes

Q. Does an open cold air intake add more horsepower than a closed cold air intake?

A. In many cases, an open cold air intake can provide slightly better airflow, which may help support horsepower gains. However, the actual performance increase depends on the vehicle, tuning, and overall intake design. A high-quality closed intake can still deliver excellent performance while offering additional protection from heat and contaminants.

Q. Which cold air intake is better for off-road driving?

A. A closed cold air intake is generally the better choice for off-road applications because it offers greater protection against dust, dirt, water, and other debris. If you frequently drive in harsh environments, a sealed intake system can help keep your engine cleaner and reduce maintenance requirements.

Q. Are open cold air intakes louder than closed systems?

A. Yes. Open cold air intakes typically produce a more noticeable induction sound and a more aggressive engine tone. Closed systems are designed to muffle intake noise, making them a better option for drivers who prefer a quieter driving experience.

Q. Do cold air intakes require regular maintenance?

A. All cold air intakes require periodic inspection and filter cleaning or replacement. Open intake systems often need more frequent attention because their filters are more exposed to dirt and debris. Closed systems may stay cleaner longer due to their enclosed design.

Q. How do I choose between an open and closed cold air intake?

A. The best choice depends on your priorities. If maximum airflow and a sportier engine sound are your goals, an open intake may be the right fit. If you want better protection from the elements, reduced noise, and potentially less maintenance, a closed intake is often the preferred option. Ultimately, consider your driving conditions, performance goals, and personal preferences before making a decision.