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  • K&N Filter Universal Rubber Filter 2 inch Flange 3 1/8 inch Base, 2 inch Top, 3 inch Height
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K&N Filter Universal Rubber Filter 2 inch Flange 3 1/8 inch Base, 2 inch Top, 3 inch Height

K&N Engineering
KNNRU-2580
In stock
Air Filters - Universal Fit
$52.99
K&N Universal Rubber Air Filter | 2" Flange, 3" Height | Washable Performance Filter Boost airflow and performance with the K&N Universal Clamp-On Air Filter...
Size Guide
$52.99
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K&N Filter Universal Rubber Filter 2 inch Flange 3 1/8 inch Base, 2 inch Top, 3 inch Height
Description

K&N Universal Rubber Air Filter | 2" Flange, 3" Height | Washable Performance Filter

Boost airflow and performance with the K&N Universal Clamp-On Air Filter featuring a 2" flange, 3 1/8" base, 2" top, and 3" height. Washable and reusable!

The K&N Universal Clamp-On Rubber Air Filter (Part # RU-2580) is built to deliver high airflow and superior engine protection for custom intake applications. Designed with a round tapered shape, this filter features a 2-inch flange inside diameter, a 3 1/8-inch base, a 2-inch top, and stands 3 inches in height.

Engineered with multiple layers of premium oiled cotton gauze media, this filter traps dirt and harmful contaminants while allowing optimal airflow to improve overall horsepower and torque. The pliable, molded rubber flange is designed to absorb engine vibration and can stretch up to 1/16th of an inch (1.5mm) to accommodate custom fitments securely. Best of all, it is washable and reusable, making it a long-lasting, cost-effective replacement for stock paper filters.

Best Uses

  1. Racing Vehicles & Custom Tuning: Ideal for custom intake setups, throttle bodies, and racing carburetors requiring a 2-inch flange connection.
  2. Small Engine Applications: Suitable for generators, lawn mowers, tractors, and utility equipment.
  3. Powersports & Off-Road: Perfect for ATVs, dirt bikes, snowmobiles, and go-karts where space is limited.
  4. Radio-Controlled Vehicles: Used in custom gas or nitro-powered scale vehicles requiring high-filtration airflow.

Features

  1. Pliable Molded Rubber Flange: Built with ultra-durable rubber that absorbs vibration and stretches up to 1/16" (1.5mm) for precise fitting.
  2. Layered Oiled Cotton Gauze: Uses treated cotton media to block dust and dirt particles while maximizing air intake.
  3. Compact Round Tapered Design: Features a 2" top, 3 1/8" base, and 3" overall height to fit into tight engine compartments.
  4. Clamp-On Fitment: Easily secures directly to a 2-inch intake tube or air horn using a heavy-duty hose clamp.
  5. Washable & Reusable Media: Engineered to be cleaned and re-oiled multiple times over its lifecycle.

 Benefits

  1. Increases Horsepower & Acceleration: High-flow design reduces air intake restriction, helping your engine breathe easier and perform better.
  2. Long-Term Savings: Eliminates the need for frequent disposable filter replacements—simply wash, re-oil, and re-install.
  3. Engine Protection: Captures damaging dirt, dust, and debris before it reaches your engine.
  4. Versatile Fitment: Flexible rubber flange allows installation on a wide range of custom, off-road, and small-engine equipment.
  5. Vibration Resistant: Molded rubber construction stays firmly connected even under extreme engine vibration or severe operating conditions.
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1. Shipments to the Contiguous 48 US States Orders $149.99 and over qualify for our fast free shipping offer. We have worked with our shipping companies and integrated their shipping prices with our website for customer comfort.

2. Please see our International Orders page for orders shipping outside the US. We have worked with our shipping companies and integrated their shipping prices with our website for customer comfort.

3.For a specific delivery ETA based on the exact item(s) you want to purchase, please call us at (248) 832-2444 or message us via Chat before placing an order.

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1. Returned products must be in new, unused condition and include the original box and/or packaging with all tags included.

2. Once your return is received and inspected by MotoKarMax (usually within 48-72 hours of receiving), your refund will be processed and a credit will be applied to your credit card or original payment method. Please note that depending on your credit card company, it may take an additional 2-10 business days after your credit is applied for it to be posted to your account.

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