K&N Engineering Universal X-Stream Top Round Air Filter Part RX-4140 – High-Flow Clamp-On Design for Automotive Applications

K&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter area for higher air flow and a longer service interval. The XStream Air Filter provides awesome air flow and outstanding filtration. When racing, in any environment, racers need all the protection and airflow they can get. K&N delivers. All K&N universal air filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable. K&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter area for higher air flow and a longer service interval.

• Clamp On Design
• Clamp-on design

The K&N Engineering Universal X-Stream Top Round Air Filter Part RX-4140 is engineered to enhance your vehicle’s performance with superior airflow and filtration. Featuring a unique filter-in-filter design, this air filter adds extra surface area at the top, allowing for increased airflow and extended service intervals, making it ideal for racing or demanding driving environments.
Constructed with ultra-strong molded pliable rubber flanges, the K&N X-Stream filter ensures a secure fit while absorbing engine vibrations. The flexible flange can be stretched up to 1/16 inch (1.5 mm) to accommodate slight size variations, providing a versatile and reliable attachment. Its washable and reusable design allows for long-term use, saving both time and money on replacements.
This air filter is designed for ease of installation with a simple clamp-on setup, making it suitable for a wide range of vehicles and performance builds. Its round shape and dimensions are optimized for maximum airflow without sacrificing filtration efficiency. The durable construction and high-quality materials ensure consistent performance even under rigorous conditions, providing excellent protection for your engine while delivering the airflow necessary for peak performance.
Whether you're upgrading your existing intake system or building a custom setup, the K&N X-Stream Top Air Filter offers a reliable solution that combines high airflow, outstanding filtration, and ease of maintenance. It is a perfect choice for racers, enthusiasts, or any driver seeking enhanced engine performance and longevity.Note: This product is not CARB approved and requires CARB acknowledgment for use in certain regions.Features include: Clamp-on design for easy installation, Filter-in-filter top design for increased surface area, Washable and reusable construction, Flexible rubber flange for secure fit and vibration dampening, Optimized for high airflow and filtration efficiency.

Features:

• Clamp-on design for quick and secure installation

• Innovative filter-in-filter top for increased airflow and longer service intervals

• Constructed with durable, pliable rubber flanges that absorb vibration and allow for stretching up to 1/16 inch (1.5 mm)

• Washable and reusable for cost-effective maintenance

• Optimized round shape with high-quality materials for maximum performance in demanding environments