K&N Engineering RF-1031 Round Tapered Universal Air Filter, 3.5-Inch Flange

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable. Regardless of the angle or offset diameter of an air intake, there is probably a K&N Universal air filter for your equipment. K&N universal air filters are washable and reusable. Associated products: 99-5000 Filter Care Service Kit Aerosol

• NO-HASSLE WARRANTY: 1-Year Limited Warranty
• One Year Limited Warranty

The K&N Engineering RF-1031 Round Tapered Universal Air Filter is designed for a broad range of air intake applications, including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other equipment. Its tapered round profile supports installation where intake angles or offset diameters make a standard filter unsuitable.

Built with an ultra-strong, pliable molded rubber flange, the K&N RF-1031 helps absorb vibration while providing a secure connection to the intake tube. The flexible flange can stretch slightly to accommodate minor variations between sizes. This washable and reusable filter is designed for repeated service with proper cleaning and maintenance, helping provide a practical alternative to disposable replacement filters.

Key Product Specifications & Technical Data

• Brand: K&N Engineering
• Part Number: RF-1031
• Filter Type: Round tapered universal air filter
• Flange Inner Diameter: 3.5 inches
• Base Outside Diameter: 5.75 inches
• Top Outside Diameter: 3.75 inches
• Overall Height: 6 inches
• Serviceable Design: Washable and reusable

What's Included

• One K&N Engineering RF-1031 universal air filter
• One-year limited warranty

Fitment

Universal fitment; intended for applications using a compatible 3.5-inch intake flange. Verify intake clearance and mounting requirements before installation. The K&N RF-1031 is not CARB approved, and applicable emissions restrictions may apply. K&N recommends the 99-5000 Filter Care Service Kit Aerosol for filter maintenance.

Features:

• Universal Application: Designed for racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other compatible equipment.
• Flexible Rubber Flange: Molded rubber construction absorbs vibration and can stretch slightly to accommodate minor size variations.
• Washable and Reusable: Serviceable design allows the filter to be cleaned and reused with the proper K&N maintenance products.
• Tapered Round Profile: Supports installation across a variety of intake configurations with a 3.5-inch flange opening.

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1