Your vehicle’s engine is a complex piece of machinery that relies on a steady stream of clean air for optimal combustion, power, and longevity. The air filter is its first line of defense, protecting against dust, dirt, and debris that can cause premature wear and reduce efficiency. Upgrading to a high-performance air filter is one of the easiest and most effective modifications you can make.
AEM’s DryFlow filters are engineered to provide superior engine protection without sacrificing airflow. Unlike traditional oiled filters, the dry, synthetic material captures up to 99% of contaminants while allowing for excellent air intake. This combination can lead to noticeable improvements in horsepower and throttle response, making it a smart choice for daily drivers and performance enthusiasts alike.
Our Top Picks for AEM DryFlow Air Filters
- AEM 28-20385 DryFlow Air Filter
- AEM 1-1000 Air Filter Cleaner with Trigger Sprayer
- AEM 21-203DK Universal DryFlow Clamp-On Air Filter
- AEM 21-2036DK DryFlow Air Filter
- AEM 28-20247 DryFlow Air Filter
- NOCO GENIUS1 Smart Battery Charger
- AEM 28-20304 DryFlow Air Filter
- AEM 28-20395 DryFlow Air Filter
- AEM 28-20387 DryFlow Air Filter
- AEM 28-20309 Dryflow Air Filter
AEM 28-20385 DryFlow Air Filter
This DryFlow air filter from AEM is engineered to deliver a performance boost by increasing horsepower and improving throttle response. Its advanced design allows for less restrictive airflow compared to standard paper filters, which can help your engine breathe easier and operate more efficiently. The reusable nature of this filter makes it an economical and eco-friendly choice.
Constructed with a durable, dry synthetic material, this filter does not require any messy oils, eliminating the risk of contaminating your vehicle’s mass airflow sensor. It is cleanable and backed by a lifetime guarantee, ensuring long-term engine protection and consistent performance. This filter effectively captures harmful contaminants, providing excellent filtration for your engine.
AEM 1-1000 Air Filter Cleaner with Trigger Sprayer
To maintain the peak performance of your reusable AEM DryFlow filter, a dedicated cleaner is essential. This 32-ounce cleaner with a convenient trigger sprayer is specifically formulated to break down and dissolve the dirt and grime trapped in the filter’s fibers. Using the correct cleaning solution ensures the filter’s integrity and filtration capabilities are preserved.
The process is straightforward: spray the cleaner onto the filter, let it soak, and then rinse thoroughly with water. This product helps restore airflow and filtering efficiency without damaging the sensitive synthetic material. It is an indispensable part of the maintenance routine for anyone using a reusable air filter.
AEM 21-203DK Universal DryFlow Clamp-On Air Filter
This universal clamp-on filter is an excellent solution for custom intake setups or carburetor applications. Its round, tapered design in a vibrant red color is not only functional but also adds a touch of style to your engine bay. The filter provides excellent filtration and high airflow, which is crucial for performance gains.
As a DryFlow filter, it requires no oil, which simplifies maintenance and prevents potential issues with sensors. The ease of cleaning means you can keep your engine protected through multiple service cycles. With a 3-inch flange ID, it is a versatile component for various automotive projects.
AEM 21-2036DK DryFlow Air Filter
This DryFlow filter is built to increase horsepower and sharpen throttle response by reducing intake restriction. Its high-flow design allows your engine to ingest air more freely, which can contribute to a more responsive driving experience. The reusable construction means this is a one-time purchase for the life of your vehicle.
Engine protection is a key benefit, as this filter is designed to capture up to 99 percent of harmful contaminants that can damage internal engine components. The dry synthetic media ensures no oil is needed, protecting sensitive engine sensors from contamination and providing reliable, consistent performance.
AEM 28-20247 DryFlow Air Filter
Designed for performance and durability, the AEM 28-20247 filter aims to boost horsepower and improve throttle response. Its efficient design minimizes airflow resistance, which can lead to better engine efficiency and power output. This makes it a suitable upgrade for both street and track use.
The filter offers outstanding protection, capturing 99% of dirt and debris, even in challenging and dusty environments. This level of filtration is vital for maintaining engine health during aggressive driving or in off-road conditions. Its robust construction is built to last and perform reliably over time.
NOCO GENIUS1 Smart Battery Charger
While not an air filter, a reliable battery is fundamental to your vehicle’s performance. The NOCO GENIUS1 is a compact yet powerful smart charger and maintainer for 6V and 12V batteries. It works with a wide range of battery types, including lead-acid and lithium-ion, making it a versatile tool for any car owner.
Its precision charging feature includes a thermal sensor that adjusts the charge based on ambient temperature. This prevents overcharging in heat and undercharging in the cold, which extends battery life and ensures your vehicle starts reliably. It also functions as a desulfator, helping to recover and maintain battery health.
AEM 28-20304 DryFlow Air Filter
This vehicle-specific DryFlow filter is engineered to deliver improved horsepower and a more immediate throttle response. By replacing your stock air filter with this high-flow unit, you can reduce intake system restriction, allowing your engine to perform closer to its true potential.
The filter provides exceptional engine protection by capturing up to 99% of harmful contaminants. Its ability to perform reliably in dusty conditions makes it a robust choice for various driving scenarios. The cleanable, reusable design offers long-term value and consistent protection for your engine.
AEM 28-20395 DryFlow Air Filter
The AEM 28-20395 is a direct-fit, vehicle-specific air filter designed to seamlessly replace your OEM filter. This ensures a perfect fit and easy installation without any modifications required. It brings the benefits of the DryFlow technology to a wide range of specific vehicle models.
As a high-performance air filter, it is engineered to support engine efficiency and power by improving airflow. The reusable and cleanable design means it offers a cost-effective and environmentally friendly alternative to disposable paper filters, all while providing superior filtration and engine protection.
AEM 28-20387 DryFlow Air Filter
This DryFlow air filter is packaged as a single unit, ready to upgrade your vehicle’s intake system. Its design focuses on providing a high flow of clean air to the engine, which is a fundamental requirement for achieving optimal performance and efficiency from your vehicle.
By acting as a high-flow engine air filter, it helps reduce the workload on your engine, potentially leading to better fuel economy and increased power. The reusable nature of the product aligns with a sustainable approach to vehicle maintenance, offering long-term value.
AEM 28-20309 Dryflow Air Filter
This DryFlow air filter is part of AEM’s extensive lineup of performance intake products. It is designed to offer the core benefits of the DryFlow technology, which include high airflow for potential power gains and excellent filtration to keep your engine running clean and protected from abrasive particles.
As a reusable filter, it represents a smart long-term investment for your vehicle, eliminating the recurring cost of disposable filters. For specific details on fitment and features for this model, we recommend checking the product listing to confirm it matches your vehicle’s requirements.
Buying Guide: How to Choose the Right AEM DryFlow Filter
When I’m looking to upgrade my car’s air intake, the filter is the heart of the system. It’s a critical choice that directly impacts engine performance and protection. AEM’s DryFlow filters are a popular pick, but with different shapes and sizes, knowing what to look for saves time and money. My goal is to help you find the perfect fit for your vehicle and driving needs.
First, you need to confirm compatibility. This seems obvious, but it’s the most common mistake. I always start by checking the product listings on AEM’s official website or with a trusted retailer. You can search by your vehicle’s year, make, and model. Don’t just assume a universal filter will work; getting the right size and flange style is essential for a proper seal. A leaky filter defeats the whole purpose, letting unfiltered air and debris into your engine.
Next, think about the filter’s shape and size. The most common types are round, oval, and universal conical filters. Your choice here is usually dictated by your intake system. If you’re replacing a filter on a cold air intake or short ram intake, you’ll likely need a specific conical size. If you’re modifying the stock airbox, a panel filter is your go-to. I also consider the physical space under the hood. A larger filter offers more surface area, which can improve airflow, but only if it fits without rubbing against other components.
The core of the 10 Best AEM DryFlow Filter Review for Performance and Engine Protection really comes down to the DryFlow media itself. This is a dry, synthetic material that doesn’t require any messy oils. I prefer this because there’s no risk of the oil contaminating your Mass Air Flow (MAF) sensor, which can cause drivability issues and check engine lights. The DryFlow media is designed to trap very fine dirt particles while still allowing excellent airflow for a horsepower boost. It’s also washable and reusable, which is a huge cost-saving benefit over disposable paper filters.
Finally, consider your maintenance commitment. A washable filter is fantastic, but you have to clean and re-oil it according to AEM’s instructions to keep it working effectively. If you’d rather “set it and forget it,” a disposable paper filter might be less hassle, though more expensive over time. For me, the performance gain and long-term value of a reusable AEM DryFlow filter are well worth the occasional 30 minutes spent on cleaning.
Frequently Asked Questions
How often should I clean my AEM DryFlow air filter?
I typically check my filter every 15,000 to 25,000 miles, but this isn’t a hard rule. If you drive in a very dusty or polluted environment, you might need to clean it more often, like every 10,000 miles. The best way to know is to visually inspect it. If the red media looks caked with gray or black dirt, it’s time for a cleaning. A clean filter is key to maintaining the performance and engine protection the filter is designed for.
Can I use any cleaning solution on my DryFlow filter?
No, I strongly recommend against that. You should only use the official AEM DryFlow Cleaner or a similar cleaner specifically made for dry synthetic filters. Using harsh chemicals, solvents, or gasoline can damage the delicate filter media, ruining its ability to trap dirt. Using the wrong cleaner can also affect the filter’s fire-retardant properties. Stick with the recommended products to ensure your filter lasts for its full 100,000-mile service life.
Do AEM DryFlow filters really increase horsepower?
Yes, they can. The DryFlow media is less restrictive than a standard paper filter, which allows your engine to breathe in more air. More air, when combined with the proper amount of fuel, means more potential for power. The gain isn’t massive on its own—maybe a few horsepower—but it’s a noticeable improvement in throttle response. When paired with a full cold air intake system, the gains are more significant. It’s a solid first step in any performance build.
What happens if I don’t re-oil the filter after cleaning?
You should never oil an AEM DryFlow filter. This is a common point of confusion. Traditional cotton gauze filters require special oil, but the AEM DryFlow is a dry, synthetic filter. After you wash it with the cleaner and rinse it out, you just let it air dry completely before reinstalling. Adding oil to it would clog the pores, restrict airflow, and potentially harm your MAF sensor. The “dry” in DryFlow means exactly that—no oil needed.
Is a DryFlow filter better than an oiled filter for a daily driver?
For a daily driver, I personally think the DryFlow filter is the superior choice. The main advantage is the lack of maintenance oil, which eliminates the risk of messing up your MAF sensor. This means one less thing to worry about. It still offers excellent filtration and a performance bump, making it a perfect balance for someone who wants improved engine protection and a bit more pep without the potential downsides of an oiled filter.
Where can I find the right AEM DryFlow filter for my car?
The easiest place to start is the AEM website. They have a powerful vehicle lookup tool. You enter your car’s details, and it will show you all compatible parts, including air filters and intake systems. Major automotive retailers also have similar fitment tools online. I always double-check the part number from the AEM site against the retailer’s listing to make sure I’m getting the correct piece for my 10 Best AEM DryFlow Filter Review for Performance and Engine Protection research.