Maxima Racing Oils ProFilter Dual Stage Foam Air Filter 4-Pack

Description

Product Overview

Maxima Racing Oils has engineered the ProFilter Dual Stage Foam Air Filter to meet the demanding performance requirements of modern Yamaha motocross and off‑road motorcycles. The filter combines a bonded dual‑stage open‑cell foam matrix with a 6 mm outer foam layer and a 10 mm inner foam layer, creating a robust filtration system that captures dust, sand, and fine particles while allowing a high volume of clean air to reach the engine. Each filter is pre‑oiled with Maxima FFT filter oil, eliminating the need for additional preparation and ensuring optimal filtration efficiency from the first installation. The 4‑Pack configuration provides riders with a convenient supply of replacement filters, reducing downtime and simplifying maintenance schedules for both competitive racers and recreational riders.

Designed with high‑strength glued seams, the ProFilter maintains its structural integrity even under the extreme vibration and heat generated by high‑performance engines. The foam material is engineered to retain its shape and filtration properties over thousands of miles, and the dual‑stage construction ensures that larger debris is captured by the outer layer while the finer inner layer removes microscopic contaminants that could otherwise accelerate wear on internal components. The filter’s washable and reusable nature allows owners to clean and re‑oil the foam after each service interval, extending the product’s lifespan and delivering cost‑effective performance that aligns with the environmentally conscious values of many riders. All components are packaged in a resealable bag with disposable gloves, providing a ready‑to‑install solution that minimizes exposure to contaminants during handling.

The ProFilter’s specifications include a unit count of four filters per package, each weighing approximately 0.72 pounds, making the set lightweight enough for easy transport yet robust enough to withstand the rigors of off‑road environments. The filter’s OEM equivalent part number AFR‑2401‑00 aligns it with industry standards, ensuring compatibility with a wide range of Yamaha models such as the YZF 250 (2001‑2011), YZF 450 (1997‑2009), WR 250/400/426 (1997‑2002), and YZ 125/250 (1997‑2011). With a best‑sellers rank of #12,859 in Automotive and #8 in Powersports Air Filters on major retail platforms, the ProFilter has earned a reputation for reliability and performance among both professional racers and everyday enthusiasts. Customer reviews consistently rate the product at 4.7 out of 5 stars, reflecting high satisfaction with its filtration efficiency, ease of installation, and long‑term durability.

Installation of the Maxima ProFilter is straightforward thanks to the pre‑oiled foam and the inclusion of disposable gloves, which help maintain a clean working environment. Users simply remove the old filter, insert the new ProFilter, and secure it with the existing mounting hardware, eliminating the need for additional tools or complex procedures. The dual‑stage foam design not only improves airflow but also contributes to a more consistent air‑fuel mixture, which can enhance throttle response and overall engine performance. For riders who frequently compete in dusty tracks or ride in harsh weather conditions, the ProFilter offers a reliable barrier against contaminants, helping to extend engine life and reduce the frequency of costly repairs.

Beyond its core filtration capabilities, the Maxima ProFilter incorporates a proprietary anti‑static treatment that reduces the attraction of airborne particles to the foam surface, helping to keep the filter cleaner for longer periods between maintenance. The filter’s compact dimensions allow it to fit within the limited space of most Yamaha off‑road fairings without requiring modifications to the intake system. Moreover, the foam’s resilience ensures that it quickly returns to its original shape after being compressed during installation, preventing gaps that could allow unfiltered air to bypass the filter media. This attention to detail underscores Maxima’s dedication to delivering a product that not only meets performance standards but also integrates seamlessly into the motorcycle’s existing architecture.

Usage

Riders who equip their Yamaha motorcycles with the Maxima ProFilter can expect immediate benefits in a variety of riding conditions. On a typical off‑road track, the filter’s high‑flow design allows the engine to breathe more freely, which translates into smoother acceleration and higher top‑end power without sacrificing durability. In dusty environments, the dual‑stage foam captures both large and fine particles, protecting the engine’s internal components from abrasive wear. The pre‑oiled foam also reduces the need for frequent re‑oil applications, making it an ideal choice for riders who prefer a low‑maintenance solution that still delivers premium filtration performance.

For competitive racers, the ProFilter’s ability to maintain consistent airflow under high‑rpm conditions can be a decisive factor in lap time performance. The filter’s construction minimizes pressure drop, ensuring that the engine receives a steady supply of clean air even when operating at the limits of its power band. This reliability is especially valuable during long endurance events where filter clogging can lead to power loss or overheating. By providing a dependable airflow pathway, the ProFilter helps riders maintain optimal engine temperatures, which contributes to better fuel efficiency and reduced risk of heat‑related failures.

Recreational riders who enjoy trail riding or weekend track days will appreciate the ProFilter’s ease of installation and the convenience of the 4‑pack supply. When a filter reaches the end of its service life, the user can simply replace it with a fresh unit from the same package, ensuring consistent performance without the need to search for compatible parts. The washable nature of the foam also allows riders to clean and re‑oil the filter themselves, extending its usable life and reducing overall ownership costs. This combination of performance, durability, and cost‑effectiveness makes the ProFilter a versatile solution for a broad spectrum of motorcyclists.

During long trail rides that span several hours, riders often encounter varying terrain and environmental conditions, from dusty desert sections to humid forest paths. The ProFilter’s ability to adapt to these changes ensures consistent engine performance regardless of the surrounding air quality. In humid conditions, the foam’s open‑cell structure allows moisture to drain quickly, preventing water buildup that could otherwise affect combustion efficiency. Conversely, in extremely dry and dusty environments, the dual‑stage foam efficiently traps particles before they reach the engine, reducing the likelihood of premature wear. This adaptability makes the filter a reliable companion for riders who demand versatility across diverse riding scenarios.

Why Choose Us

Maxima Racing Oils stands out in the market due to its commitment to engineering high‑quality filtration products that meet the rigorous demands of both professional racing teams and everyday riders. The company’s extensive research and development process incorporates feedback from seasoned mechanics and competitive athletes, resulting in a filter that balances maximum airflow with superior dust‑holding capacity. By using premium foam materials and a dual‑stage construction, Maxima ensures that each filter delivers consistent performance across a wide temperature range, from cold‑weather track sessions to hot‑day desert rides. This dedication to quality control is reflected in the product’s consistent 4.7‑star rating and its position among the top‑selling air filters in the powersports category.

The ProFilter’s design incorporates high‑strength glued seams that resist separation under the intense vibration and heat generated by high‑performance engines. This construction ensures a long service life, even when the filter is subjected to frequent cleaning cycles and re‑oiling. Additionally, the inclusion of disposable gloves and a resealable packaging bag demonstrates Maxima’s attention to user convenience and product protection, allowing riders to handle the filter in a clean environment and store unused units without exposure to moisture or dust. These thoughtful details contribute to a hassle‑free ownership experience that many competitors lack.

Customer support is another pillar of Maxima’s value proposition. The company offers a responsive technical assistance team that can help users with installation guidance, filter maintenance tips, and troubleshooting any performance issues that may arise. Warranty coverage further reinforces confidence in the product, providing peace of mind for riders who invest in high‑quality filtration solutions. By combining superior product engineering with dedicated after‑sales service, Maxima delivers a comprehensive package that addresses both the functional and experiential needs of its customers.

Maxima also backs the ProFilter with a comprehensive warranty and a network of authorized service centers that can assist with any technical questions or replacement needs. This support infrastructure gives customers confidence that they are protected against manufacturing defects and can receive prompt assistance if the filter does not perform as expected. The company’s commitment to continuous improvement means that feedback from the field is regularly incorporated into product updates, ensuring that each new production batch reflects the latest advancements in foam technology and oil formulation. As a result, owners benefit from a filter that evolves alongside their riding habits and the ever‑changing demands of modern motorcycling.

Key Features

• Dual‑stage open‑cell foam captures both large debris and fine particles, delivering superior filtration while maintaining high airflow for optimal engine performance.
• Pre‑oiled with Maxima FFT filter oil, the filter is ready to install out of the box, eliminating extra preparation steps.
• High‑strength glued seams ensure durability under vibration and heat, providing a long service life even after multiple cleaning cycles.
• Washable and reusable design lets riders clean and re‑oil the filter, extending its lifespan and reducing long‑term ownership costs.
• Includes disposable gloves and resealable packaging for a clean, convenient installation experience and protection against moisture and dust.

FAQ

Can the ProFilter be used on other motorcycle brands besides Yamaha?

Yes, the ProFilter is compatible with a range of motorcycles that share the same air‑filter mounting dimensions as the listed Yamaha models. Many riders have successfully installed the filter on Kawasaki, Suzuki, and Honda off‑road bikes that use a similar foam‑type air filter housing. However, it is always recommended to verify the exact fit by checking the vehicle’s service manual or consulting Maxima’s fit guide before purchase. If the filter does not match the mounting flange, adapters are available from aftermarket suppliers to ensure a secure and airtight installation.

How often should the ProFilter be cleaned and re‑oiled?

For most off‑road riding conditions, cleaning the ProFilter after every 300‑500 miles of use is sufficient to maintain optimal performance. In extremely dusty environments, such as desert tracks, more frequent cleaning—approximately every 150‑200 miles—may be necessary. The cleaning process involves removing the filter, rinsing it with mild soap and water, allowing it to air dry completely, and then applying a thin layer of Maxima FFT oil before reinstalling. Following this routine ensures the foam retains its filtration efficiency and prolongs the service life of each filter in the 4‑pack set.

What is the benefit of the dual‑stage foam compared to a single‑stage filter?

A dual‑stage foam filter uses two layers of foam with different cell sizes, allowing the outer layer to trap larger particles while the inner layer captures finer dust. This staged approach provides higher overall filtration efficiency, extending the time between cleaning cycles and protecting the engine more effectively than a single‑stage filter, which can become clogged more quickly. Additionally, the dual‑stage design helps maintain consistent airflow, reducing pressure drop and supporting better throttle response across a wide range of engine speeds.

Is the ProFilter suitable for street riding as well as off‑road use?

While the ProFilter is optimized for off‑road and motocross applications, its high‑flow design and durable construction also make it a solid choice for street riding. The filter provides adequate protection against road dust and pollen, and the pre‑oiled foam ensures reliable performance in everyday traffic conditions. Riders who alternate between track days and daily commuting will benefit from the filter’s versatility, enjoying improved engine breathing without compromising durability or requiring frequent maintenance.