K&N

K&N Engineering, of Riverside, California, is the inventor and leading innovator of reusable cotton gauze filter technology for automotive applications. From humble beginnings as a family run business over 35 years ago, K&N Engineering, now a truly global company with offices in the U.K. and the Netherlands, continues to exist as a family owned business with an enthusiast mindset and a direct connection with motor sports that carries over throughout all levels of management and manufacturing. Today, K&N exists as both the sales and brand leader for performance filters, and maintains a stocking catalogue of over 3,500 part numbers, including an extensive line of both factory replacement drop-in filters, FIPK (Fuel Injection Performance Kit) applications, and its line of innovative Performance Gold oil filters.

• Overall Rating: 5 out of 5
  K&N Rocks!, October 08, 2008
  By BB  from Stamford, CT

  Appearance:		5 out of 5
  Ease of Use/Installation:		5 out of 5
  Quality:		5 out of 5
  Performance:		5 out of 5

  • Pros: Easy Install , Better Air Flow, Cleanable
  • Cons: Pricey
  "I love K&N filters. They are so much better than stock."

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• Overall Rating: 5 out of 5
  Noticable driving difference, September 11, 2008
  By ET  from Silicon Valley, CA

  Appearance:		5 out of 5
  Ease of Use/Installation:		4 out of 5
  Quality:		5 out of 5
  Performance:		5 out of 5

  • Pros: Better pep, price parity with paper filters
  • Cons: Little snug when installing
  "Even my wife noticed the difference in engine power. The old filter was filthy at 3yrs/28K miles. Looking forward to MPG comparison."

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• Overall Rating: 5 out of 5
  More Air!!, September 04, 2008
  By Fuel Head  from Stamford, CT

  Appearance:		5 out of 5
  Ease of Use/Installation:		5 out of 5
  Quality:		5 out of 5
  Performance:		5 out of 5

  • Pros: Ease of install, high quality
  • Cons: Should've done it sooner
  "You'd think I'd know from past experience w/ K&N how good the filter would be. Big V-10 diesel w/ two filters has noticable extra power because these filters breath so much better than the paper OEM ones."

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• Overall Rating: 5 out of 5
  Got rid of old sock smell, February 26, 2008
  By stargazer  from California

  Appearance:		5 out of 5
  Ease of Use/Installation:		5 out of 5
  Quality:		5 out of 5
  Performance:		5 out of 5

  • Pros: easy to install
  • Cons: difficult to locate the product
  "I had hard time finding the air filter for my Cayenne. Once it was delivered (super fast), it took 5 minutes for my husband to install the filter. It got rid of the old sock smell right away from the AC Vents. The Porsche dealership told me how to fix the"