K&N RX-4870 Universal Air Filter – Superior Filtration & Performance

Engineered for high-performance vehicles, the K&N RX-4870 Universal Air Filter is designed to deliver outstanding airflow and filtration efficiency. Built with premium cotton gauze and a unique pleated X-Stream top, this clamp-on, washable filter boosts horsepower while ensuring long service intervals.

Enhanced Filtration & Power

• X-Stream Top Design – Built-in pleated top maximizes the filtration surface area.

• High Flow Rate – Low restriction filter enhances engine responsiveness and power.

• Reliable Filtration – Multiple layers of cotton gauze efficiently trap contaminants for optimal protection.

Durable & Reusable Construction

• Washable & Reusable – Clean and reuse multiple times for long-term performance.

• Sturdy Clamp-On Fit – Secure installation with a centered flange and one robust clamp.

• Built to Last – Supported by a 1-Year Limited Warranty and rugged construction.

Precision Fit & Compatibility

• Universal Design – Suitable for custom intakes and performance upgrades.

• Tapered Round Shape – Fits tight spaces with a base diameter of 6 in and a top diameter of 5 in.

• Flange Specs – Centered 2.75 in inner diameter with 2 in flange length.

Specifications

Easy Maintenance

• Reusability – Just wash, oil, and reinstall.

• Cleaning Instructions – Use K&N cleaning kit for best results.