K&N RU-4950 Universal Clamp-On Air Filter – Boosted Power & Lasting Performance

Built for performance-driven riders and vehicle owners, the K&N RU-4950 Universal Air Filter delivers a powerful upgrade with washable, high-flow filtration technology and durable construction for long-term use.

Enhanced Engine Performance

• Engineered Power – Advanced cotton gauze filter media enhances horsepower and acceleration.

• Improved Efficiency – Promotes smoother airflow to improve overall engine performance.

Advanced Multi-Layer Protection

• 4-Layer Filtration – Premium cotton gauze layers treated with tacky oil trap harmful contaminants.

• High Efficiency – Captures up to 99% of airborne particles for superior engine protection.

Built to Last

• Rugged Design – Constructed with premium-quality materials and top-tier manufacturing standards.

• Long Service Interval – Clean every 75,000 miles (approx. every 5 years under normal highway conditions).

• Eco-Friendly – Reusable filter reduces environmental waste from disposable alternatives.

Simple Installation & Universal Fit

• Clamp-On Design – Pre-oiled and ready to install for quick performance gains.

• Universal Compatibility – Suitable for a wide range of custom and stock applications.

Additional Benefits

• Hassle-Free Warranty – Comes with a 1-Year Limited Warranty.

• Cost-Effective Upgrade – One-time purchase that lasts a lifetime with proper maintenance.

Product Specifications

• Product Style: Round Tapered Universal Air Filter

• Material: Cotton Gauze

• Washable: Yes

• Flange Type: Centered

• Flange Inside Diameter: 2.5 in (64 mm)

• Flange Length: 2 in (51 mm)

• Flanges: 1

• Air Filter Shape: Round Tapered

• Top Style: Rubber (No Top Material)

• Top Outside Diameter: 5 in (127 mm)

• Base Outside Diameter: 6 in (152 mm)

• Height: 5.5 in (140 mm)

• Weight: 1.3 lb (0.6 kg)

• Filter Re-Oiling Amount: 1.06 oz (31 ml)

• Overall Filter Efficiency: Up to 99%

• Filter Line: High-Flow Series

• Package Contents: 1 Air Filter

• Warranty: 1-Year Limited

🔧 Easy Maintenance

• Wash and reuse using K&N air filter cleaning kit.

• Recommended cleaning interval: every 75,000 miles under normal conditions.