aFe Magnum FLOW Pro Dry S Air Filter

1987–1990 Jeep Wagoneer, 1997–2010 Dodge Dakota, 1998–2003 Dodge Durango

Part #: 31-10070

Overview

The aFe Magnum FLOW Pro Dry S Air Filter is a premium direct replacement designed to enhance the performance and longevity of your vehicle’s engine. Engineered for select Dodge and Jeep models from 1987 to 2010, this high-quality air filter improves airflow significantly compared to standard factory paper filters. By optimizing engine breathing, it helps increase horsepower and torque while maintaining excellent filtration to protect your engine from harmful contaminants.

Ideal for both daily drivers and performance enthusiasts, the Magnum FLOW Pro Dry S combines advanced filtration technology with durable construction. Its washable and reusable design eliminates the need for frequent replacements and oiling, offering long-term cost savings and environmental benefits. Whether you want to restore your vehicle’s intake efficiency or gain a performance edge, this air filter delivers reliable, hassle-free operation.

Key Features

Built to exceed OEM standards, the aFe Magnum FLOW Pro Dry S Air Filter incorporates innovative features that optimize airflow and filtration efficiency:

• Flows more air than stock paper filters to enhance horsepower and torque
• Constructed with a 100% polyurethane frame for superior durability and extended service life
• Three-layer progressive mesh media maximizes airflow while providing excellent dust-holding capacity
• Washable and reusable design supports multiple cleaning cycles without performance loss
• Integrated urethane bump seal ensures a tight, leak-free fit throughout the filter’s lifespan
• Rounded pleat design increases usable filter surface area for improved filtration efficiency
• Non-oiled synthetic Pro Dry S media eliminates the need for oiling during cleaning for added convenience
• Soft, pliable sealing surface conforms to uneven filter housings, eliminating the need for additional gaskets or sealants

Construction & Design

The Magnum FLOW Pro Dry S Air Filter features a robust 100% polyurethane frame that provides excellent structural integrity and resists degradation over time. This full 360-degree urethane frame ensures a precise OE-style fit, maintaining a secure seal and preventing unfiltered air from entering the engine. The advanced three-layer Pro Dry S media employs progressively finer mesh layers to trap contaminants effectively while allowing high airflow.

The tall, evenly spaced pleats maximize surface area, enhancing dust-holding capacity and extending service intervals between cleanings. The urethane bump seal is engineered to maintain its shape and sealing ability, ensuring consistent performance without compression or leaks. This thoughtful design results in a durable, long-lasting air filter that performs reliably under a variety of driving conditions.

Performance & Sound

By significantly increasing airflow compared to stock paper filters, the aFe Magnum FLOW Pro Dry S Air Filter helps your engine breathe more freely, which can translate into noticeable gains in horsepower and torque. This improved airflow supports more efficient combustion and sharper throttle response. Additionally, the filter’s design maintains optimal filtration without restricting intake sound, preserving the natural engine tone and driving experience.

Installation & Fitment

The Magnum FLOW Pro Dry S Air Filter is designed as a direct-fit replacement for the following vehicles, requiring no modifications or special tools for installation:

• 1987–1990 Jeep Wagoneer
• 1997–2010 Dodge Dakota
• 1998–2003 Dodge Durango

Its flexible urethane sealing surface conforms perfectly to the factory airbox, ensuring a secure, leak-free fit every time. Installation is straightforward and can be completed quickly during routine maintenance, making it an easy upgrade for improved engine performance and protection.

What's Included

• One aFe Magnum FLOW Pro Dry S OE Replacement Air Filter (Part #31-10070)
• Installation instructions

Ideal For

This air filter is perfect for vehicle owners seeking a durable, high-performance replacement for their factory air filter. It suits daily drivers, off-road enthusiasts, and performance-minded individuals who want to improve engine efficiency, power output, and filtration without the hassle of oiling or frequent replacements. Its washable and reusable design also appeals to those looking for a cost-effective, environmentally friendly air filtration solution.

aFe POWER (Advanced FLOW Engineering) offers dyno-proven intake, filtration, and exhaust upgrades aimed at measurable performance gains. The brand’s lineup is geared toward enthusiasts looking for better airflow, improved sound, and durable materials—from cold air intakes to stainless exhaust systems for street and track applications.