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  • K&N Universal Rubber Filter 3 inch Flange 5 inch OD 5 inch Height
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K&N Universal Rubber Filter 3 inch Flange 5 inch OD 5 inch Height

K&N Engineering
KNNRU-2430
In stock
Air Filters - Universal Fit
$68.99
K&N Universal Rubber Filter 3" Flange 5" OD 5" Height Upgrade engine airflow with the K&N Universal Rubber Clamp-On Air Filter featuring a 3-inch flange,...
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$68.99
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K&N Universal Rubber Filter 3 inch Flange 5 inch OD 5 inch Height
Description

K&N Universal Rubber Filter 3" Flange 5" OD 5" Height

Upgrade engine airflow with the K&N Universal Rubber Clamp-On Air Filter featuring a 3-inch flange, 5-inch outer diameter, and 5-inch height. Washable and reusable.

The K&N Universal Rubber Air Filter (3-inch Flange ID, 5-inch Outer Diameter, 5-inch Height) delivers high airflow and superior filtration for custom intake setups. Built using multi-layered, oiled cotton gauze media, this clamp-on cone filter maximizes intake efficiency while trapping dirt and contaminants to keep your engine protected.

Designed with a pliable, molded rubber flange, it effectively absorbs engine vibration and can stretch up to 1/16 of an inch (1.5mm) for a secure, exact fit on slightly varying intake pipe sizes. The washable and reusable design ensures long-term performance without the recurring costs of disposable filters.

Best Uses

  1. Custom Engine Intakes: Fits aftermarket short-ram or cold-air intake systems using a standard 3-inch outside diameter (OD) intake pipe.
  2. Motorsports & Racing: Provides maximum airflow and minimal restriction for high-RPM setups.
  3. Custom Project Vehicles: Suitable for custom car builds, trucks, motorcycles, ATVs, and off-road machinery requiring compact performance filtration.

Features

  1. 3-Inch Flange Inlet: Centered, clamp-on rubber flange engineered to attach directly to 3-inch intake piping.
  2. High-Flow Cotton Media: Premium pleated cotton gauze designed to increase horsepower, torque, and throttle response.
  3. Molded Rubber Flange: Vibration-absorbing, flexible construction that can stretch up to 1/16" (1.5mm) for precise fitting.
  4. Compact Dimensions: Features a 5-inch outer diameter base and 5-inch overall height for tight engine bay clearances.
  5. Washable & Reusable: Designed to be cleaned and re-oiled for continuous long-term service.

Benefits

  1. Boosts Engine Performance: Delivers unrestricted airflow to help improve acceleration and overall horsepower.
  2. Superior Engine Protection: Multi-layer filtration traps airborne contaminants before they reach your engine intake.
  3. Cost-Effective: Replaces frequent disposable filter purchases with a single, durable, reusable unit.
  4. Easy Clamp-On Installation: Requires no special adapters or extra hardware—simply slide on and secure with a hose clamp.
  5. Vibration-Resistant Fit: Durable rubber construction prevents loose fittings and withstands harsh engine bay 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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