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

2 sold in last 8 hours
K&N Engineering
KNNRU-2420
In stock
Air Filters - Universal Fit
$42.99
K&N Universal Clamp-On Air Filter: 3" Flange, 5" OD, 3" Height Boost your engine's performance with the K&N Universal Rubber Filter. Features a 3-inch flange,...
Size Guide
$42.99

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

K&N Universal Clamp-On Air Filter: 3" Flange, 5" OD, 3" Height

Boost your engine's performance with the K&N Universal Rubber Filter. Features a 3-inch flange, washable oiled cotton media, and legendary durability.

The K&N Universal Clamp-On Air Filter is engineered for enthusiasts who demand more than what a factory intake can provide. Designed for versatility and high-flow performance, this filter features a 3-inch (76mm) inside diameter flange, making it a perfect fit for custom intakes, turbocharger inlets, or engine breathers.

Constructed with K&N’s signature high-flow oiled cotton media, this filter provides an increased surface area that allows more air into your engine while maintaining exceptional filtration levels. The sturdy molded rubber base and end cap are built to withstand engine heat and vibration, ensuring a secure, airtight seal. Whether you are building a custom cold air intake or replacing a restricted filter on a specialized piece of equipment, this compact 3x5-inch unit delivers the perfect balance of airflow and engine protection.

Best Uses

  1. Custom Cold Air Intakes: Ideal for DIY intake setups on cars, trucks, and SUVs.
  2. Forced Induction: Perfect for mounting directly onto turbocharger or supercharger inlets.
  3. Racing Applications: Used in go-karts, formula SAE, and track-day vehicles where space is limited.
  4. Small Engines: Enhances performance on ATVs, UTVs, or generators requiring high airflow.
  5. Engine Breathers: Suitable for large-scale crankcase ventilation systems.

Features

  1. High-Flow Cotton Media: Multiple layers of woven cotton gauze provide superior airflow compared to paper or foam.
  2. Pliable Rubber Flange: The 3-inch flange absorbs vibration and stretches up to 1/16" to fit slightly oversized pipes.
  3. Washable & Reusable: Designed to be cleaned and re-oiled using a K&N Recharger kit, lasting the life of your vehicle.
  4. Molded Construction: Features one-piece molded rubber ends for maximum durability and resistance to cracking.
  5. Compact Footprint: The 3-inch height and 5-inch diameter allow for high-performance filtration in tight engine bays.

Benefits

  1. Increased Horsepower: By reducing air path restriction, your engine breathes easier, unlocking hidden power and torque.
  2. Cost-Effective: Eliminates the need for frequent filter replacements; buy it once, use it for years.
  3. Enhanced Engine Sound: Provides a more aggressive, throaty intake growl under acceleration.
  4. Superior Protection: Lab-tested filtration ensures that even microscopic debris is trapped before it reaches your cylinders.
  5. Eco-Friendly Choice: Reduces landfill waste by replacing disposable paper filters with a permanent, sustainable solution.
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