Description
The K&N RX-4950 XStream Top Universal Air Filter is a high-performance air filter designed to enhance airflow and filtration. Featuring a unique filter within the filter’s top, this design increases the filter area, allowing for higher air flow and longer service intervals. Ideal for racing environments, this air filter provides essential protection and airflow for optimal performance.
Constructed with ultra-strong molded pliable rubber flanges, the K&N RX-4950 absorbs vibrations and ensures a secure attachment. These flanges can be stretched for up to 1/16 inch (1.5mm) to accommodate different sizes. The RX-4950 is also washable and reusable, making it a practical choice for those looking to maintain their air filtration system without frequent replacements. This air filter is engineered to meet the demands of high-performance applications, ensuring that you get the airflow needed for enhanced engine performance.
Features
- Filter within the filter design for increased airflow
- Ultra-strong molded pliable rubber flanges
- Flanges can stretch up to 1/16 inch (1.5mm)
- Washable and reusable
- Designed for high-performance applications
Frequently Asked Questions
What is the unique feature of the K&N RX-4950?
The RX-4950 features a filter within the filter’s top, which increases the filter area for higher airflow.
Is the K&N RX-4950 washable?
Yes, the RX-4950 is washable and reusable.
What material are the flanges made from?
The flanges are constructed from ultra-strong molded pliable rubber.
Manuals & Instructions
âš WARNING (California Proposition 65): WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov

Not CARB approved. This item is not legal for sale or use on pollution-controlled motor vehicles in California or states that adopt California emissions standards. Intended for off-road / competition use where permitted by law.















