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
  Its Simple: Breathing Easier Helps, December 12, 2007
  By johnj  from Charlotte, NC

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

  • Pros: cheap easy mod
  • Cons: have to clean it a couple times a year-- not a biggie
  "1st thing to do to ANYTHING with an internal combustion engine.... set it up to breathe better. Make it easier for the engine to get and exhaust the air and it's more efficient. That equals more response from the same amount of throttle pressure. Or.... l"