K&N RU-5045 Universal Clamp-On Air Filter 4" Flange, 9.5" Height

Vehicle Fitment

• Universal fit - designed to clamp onto intake pipes with approx. 4.0 in (101.6 mm) inside-diameter flange

Features

• Universal clamp-on design supports broad vehicle and custom intake applications
• High-flow cotton gauze media engineered to increase horsepower and acceleration
• Washable and reusable filter providing long-term value and reduced replacement cost
• Molded rubber flange absorbs vibration and accommodates slight size variation
• Conical round-tapered shape fits many intake layouts including performance and custom builds
• Easy installation - simply slide over compatible flange and clamp securely
• Reduces waste compared to disposable filters thanks to the reusable design
• Backed by manufacturer's 1-Year Limited Warranty

Specifications

• Flange inside diameter: 4.0 in (101.6 mm)
• Filter height: approx. 9.5 in (241 mm)
• Base (large end) outside diameter: 6.75 in (171 mm)
• Top outside diameter: 5.875 in (149 mm)
• Weight: approx. 2.7 lb (1.2 kg)
• Filter media: Premium multi-layer cotton gauze
• Washable / reusable: Yes

Included Components

• 1x Universal Clamp-On Air Filter (Part No. RU-5045)
• Installation instructions/documentation

Product Description

The K&N RU-5045 Universal Clamp-On Air Filter is a high-performance upgrade designed for intake systems using a 4.0-inch inside-diameter flange. With its tall 9.5-inch height and expanded surface area, it allows increased airflow while maintaining reliable filtration thanks to its multi-layer cotton gauze media.

Installation is straightforward: confirm your intake flange is approximately 4.0 in (101.6 mm) inside diameter, slide the RU-5045 onto the flange, clamp securely, and it's ready. Because this is a universal-fit product (not tied to a specific make, model, or year), ensure sufficient clearance and compatibility in your engine bay or custom intake setup before purchasing.