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

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 RX-4140 Universal X-Stream Top Round Air Filter is engineered to elevate your vehicle's airflow and filtration efficiency. Featuring a unique design with a filter within the filter's top, this air filter provides increased surface area for superior air intake and extended service intervals. Its high-flow capabilities make it ideal for racing environments or any situation where maximum airflow and filtration are essential. Constructed with ultra-strong molded pliable rubber flanges, it absorbs vibrations and ensures a secure fit. The flanges can also be stretched up to 1/16 inch (1.5mm) to accommodate slight size variations, making installation versatile and straightforward. This washable and reusable filter enhances performance while reducing maintenance costs over time. The clamp-on design offers a simple, secure attachment to compatible intake systems, ensuring a tight seal for optimal airflow. Whether upgrading an existing setup or building a custom intake system, the K&N X-Stream Top Air Filter provides reliable, high-quality filtration that supports improved engine performance and longevity. Designed for automotive applications, it does not require EPA approval but does necessitate acknowledgment of CARB regulations. Overall, this filter combines outstanding filtration with increased airflow, making it an excellent choice for enthusiasts seeking durable and high-performing air filtration solutions.

Features:

• High-flow design with added filter within the filter top for increased surface area

• Clamp-on installation for secure and easy attachment

• Constructed with ultra-strong molded pliable rubber flanges to absorb vibration

• Flanges can be stretched up to 1/16 inch (1.5mm) for fitment flexibility

• Washable and reusable for long-term use

• Ideal for racing and high-performance applications

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1