K&N Engineering Universal Custom Air Filter

Oval Shape, 11.5in Outer Length / 8.125in Outer Width / 4in Height

Part #: E-3504

Overview

The K&N Engineering Universal Custom Air Filter is designed to enhance the airflow of your vehicle's intake system, supporting improved horsepower and acceleration. Crafted with performance and durability in mind, this oval-shaped filter is an excellent choice for automotive enthusiasts looking to upgrade their existing setup without extensive modifications. Whether you're building a custom intake system or replacing a worn-out filter, this K&N filter offers a reliable, high-quality solution.

Ideal for custom applications, this filter fits into a variety of vehicles and custom setups, providing a simple drop-in upgrade that boosts engine performance. Its washable and reusable design ensures long-term value, allowing you to maintain peak airflow and filtration efficiency with minimal maintenance. Designed for those who want to maximize their vehicle's potential while maintaining excellent filtration, this filter is perfect for street-driven cars, off-road builds, or custom projects.

Key Features

The K&N Universal Custom Air Filter features advanced design elements and high-quality materials to deliver superior performance and durability. Here are some of its key features:

• Oval Element Design: The oval shape measures 11.5 inches in outer length, 8.125 inches in outer width, and 4 inches in height, making it suitable for a wide range of custom applications where space and fitment are critical.
• High-Flow Filtration Media: Equipped with a specially designed washable and reusable filter media, this filter provides excellent airflow while capturing dirt and debris effectively, helping to protect your engine and improve performance.
• Durable Construction: Made with a high-quality, corrosion-resistant frame and a robust filter element, ensuring longevity and reliable operation under various driving conditions.
• Easy Installation: The drop-in design allows for straightforward installation—simply remove your existing disposable filter and replace it with this K&N filter, with no need for additional modifications or tools.
• Enhanced Performance: Designed to increase horsepower and acceleration by improving airflow compared to standard disposable filters, supporting your vehicle's engine to perform at its best.
• Washable & Reusable: The filter can be cleaned and re-oiled, making it a cost-effective and environmentally friendly alternative to disposable filters.
• Versatile Compatibility: Suitable for a wide range of custom setups, including off-road, street, and racing applications, where a high-performance oval filter is needed.

Construction & Design

This K&N air filter features a high-quality, open-cell polyurethane foam media that is layered and pleated to maximize surface area for airflow and filtration. The oval shape is designed to fit into custom air intake assemblies, providing a seamless upgrade for various vehicle configurations. The filter's frame is constructed from durable, corrosion-resistant materials, ensuring it withstands harsh conditions and repeated cleaning cycles.

The design emphasizes ease of maintenance, with a washable and reusable filter media that can be cleaned with K&N's cleaning solutions. Its robust construction ensures consistent performance over time, making it a dependable choice for enthusiasts who demand both performance and longevity from their air filtration system.

Installation & Fitment

Installing the K&N Universal Custom Air Filter is straightforward and requires no special tools or modifications. Simply remove your existing disposable filter from the air box or intake assembly and replace it with this oval-shaped filter. Its drop-in design ensures a secure fit, and the dimensions are compatible with many custom and aftermarket intake setups. No cutting, drilling, or tuning is necessary, making it an easy upgrade for DIY enthusiasts and professional installers alike.

• Compatible with a variety of custom intake systems and air boxes
• No cutting or modifications required for installation
• Designed for easy maintenance—simply clean and re-oil when needed

What's Included

• Universal oval-shaped air filter with high-flow filtration media
• Durable frame and sealing surface for a secure fit
• Installation instructions

Ideal For

• Automotive enthusiasts building custom intake systems
• Street and off-road vehicles seeking improved airflow
• Drivers looking for a cost-effective, reusable air filter upgrade
• Performance-minded individuals who value durability and ease of maintenance