K&N RU-5171HBK Universal Clamp-On Air Filter 4" Flange, 8" Height

Vehicle Fitment

• Universal fit - designed to clamp onto intake systems with approx. 4.0 in (102 mm) inside-diameter flange

Features

• Universal clamp-on design compatible with a wide variety of vehicles, custom builds and equipment
• High-flow synthetic media engineered for increased horsepower and acceleration
• Washable and reusable filter for long-term value and reduced replacement cost
• Molded rubber flange absorbs vibration and allows slight size variation (~1/16" / 1.5 mm)
• Tapered round shape fits many intake configurations including performance and custom systems
• Easy installation - simply clamp onto a ~4.0" flange and secure
• Reusable design reduces waste compared to disposable filters
• Backed by manufacturer's 1-Year Limited Warranty

Specifications

• Flange inside diameter: 4.0 in (102 mm)
• Height: 8.0 in (203 mm)
• Top outside diameter: approx. 6.625 in (168 mm)
• Base outside diameter (large end): approx. 8.0 in (203 mm)
• Filter media: Dryflow synthetic technology
• Washable/reusable: Yes
• Weight: approx. 1.7 lb (0.8 kg)

Included Components

• 1x Clamp-On Air Filter (Part No. RU-5171HBK)
• Installation instructions/documentation

Product Description

Upgrade your intake system with the K&N RU-5171HBK Universal Clamp-On Air Filter. With an approximately 4.0-inch (102 mm) inside-diameter flange and an 8.0-inch (203 mm) height, this filter is designed to offer high airflow and long-life filtration for a broad range of vehicles and custom applications.

Installation is simple: confirm your intake pipe has an approx. 4.0-inch inside-diameter flange, slide the RU-5171HBK filter onto the flange, secure with a clamp, and you're ready to go. Its washable and reusable design offers long-term value and less waste than disposable alternatives. As a universal-fit part (not tied to a specific make/model/year), please verify clearance and proper intake-pipe compatibility in your engine bay or custom setup before purchase.