K&N RU-2990 High-Flow Universal Air Filter – Tapered Performance Cotton Gauze Intake Filter (89mm / 3.5”)

📄 PRODUCT DESCRIPTION :

Upgrade your engine breathing performance with the K&N RU-2990 High-Flow Universal Air Filter, engineered for maximum airflow, improved horsepower, and long-lasting durability.

Built with K&N’s advanced cotton gauze filtration technology, this tapered universal air filter delivers superior engine protection while significantly reducing airflow restriction for better acceleration and throttle response.

Designed for custom builds, performance tuning, and universal intake systems, the RU-2990 fits a wide range of applications with its 89mm (3.5”) flange diameter and tapered design for improved airflow dynamics.

Unlike disposable filters, the K&N RU-2990 is washable, reusable, and built for lifetime performance, making it a cost-effective upgrade for enthusiasts and professionals.

🚀 Key Benefits:

• Increases horsepower & engine response
• Improves airflow efficiency for better combustion
• Washable & reusable lifetime filter
• Pre-oiled and ready to install
• Universal tapered performance design
• Up to 99% filtration efficiency
• Reduces engine restriction & improves acceleration

Perfect for custom intake systems, modified engines, and performance upgrades.

⚙️ PRODUCT FEATURES :

• K&N high-flow cotton gauze filter media
• Universal tapered round design for performance intake systems
• 89mm (3.5”) flange inside diameter
• 5” base outside diameter for improved airflow
• Washable & reusable lifetime filter
• Pre-oiled for immediate installation
• Enhances horsepower & throttle response
• Durable rubber top construction
• Reduces engine restriction for better efficiency
• Up to 99% filtration efficiency
• Ideal for performance tuning & custom builds