K&N Performance High-Flow Universal Engine Air Filter: Washable, Multi-Layer Protection, Engineered to Boost Horsepower, RU-3600

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US$25.71
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Management number 254423251 Release Date 2026/11/07 List Price US$25.71 Model Number 254423251
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<p>K&amp;N Universal Clamp-on Air Filters are manufactured for a wide variety of applications and unique filtration needs. K&amp;N performance High-Flow Air Filters are engineered to improve engine performance by increasing airflow up to 50%. Unlike disposable paper filters which must be frequently replaced, K&amp;N Air Filters are washable, reusable, and engineered to last for the life of your vehicle. These versatile filters are constructed with ultra-strong molded pliable rubber flanges that absorb vibration and allow for secure attachment. Available in round, tapered (cone-style), and oval designs, K&amp;N® offers thousands of clamp-on filters in a multitude of shapes and sizes that cater to many precise applications. Join the millions of customers who have saved money and improved vehicle performance by upgrading to K&amp;N filtration.</p>

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 4 In, Filter Height: 5 In, Flange Length: 0.625 In, Shape: Round Tapered, RU-3600

  • Engineered Power: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration. Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%.
  • Easy Installation: Pre-oiled and ready to drop into your factory air box. One of the easiest and most cost-effective upgrades for your vehicle for quick performance gains.
  • Saves Money: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters.
  • Eco-Friendly: Using a washable, reusable product helps reduce replacement waste. A K&N filter will last longer than 10 disposable filters.
  • World Class Protection: Pushing the limits of engine protection by protecting your engine from harmful contaminants.
  • Low-Maintenance Design: 50,000 miles before your first cleaning under normal highway driving conditions.
  • High Quality
  • Race Tested: The Official Air Filter of NASCAR. Trusted on the racetrack—made for your vehicle.
  • N0-Hassle
  • "


Fits Select:
2006-2008 AUDI A3 4 Cyl 2 L
1997-1998 MERCEDES-BENZ C 4 Cyl 2.3 L
2008 AUDI TT 4 Cyl 2 L
1998 BMW 318 4 Cyl 1.9 L
and more - add your vehicle to our fit widget to check
Manufacturer part number RU-3600
Compatible cars 2006-2008 AUDI A3 4 Cyl 2 L 1997-1998 MERCEDES-BENZ C 4 Cyl 2.3 L 2008 AUDI TT 4 Cyl 2 L 1998 BMW 318 4 Cyl 1.9 L and more
Vehicle make Audi
Vehicle model A3
Vehicle year 1997, 1998, 2006, 2007, 2008
Engine air filter type Paper
Brand K&N
Assembled product weight 1.1 lb
Material Polyurethane
Vehicle fitment type Universal
Vehicle type Car, Sport Utility Vehicle, Truck
Count per pack 1

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