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
  One of the best things yet for gas economy, October 15, 2008
  By JiBo

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

  "Took all of about 15 mins. to install. Have already started to notice a difference in my gas mileage."

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• Overall Rating: 5 out of 5
  April 23, 2008
  

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

  "I recorded a 10% increase in gas mileage. At $3.50 per gal. it should pay for itself in 10 fill ups."