Company:K&N Engineering

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Short description: American automotive parts company
K&N Engineering, Inc.
Founded1969

K&N Engineering, Inc. (also known simply as K&N) is a manufacturer of air filters, cold air intake systems, oil filters, performance parts, and other related products.[1] K&N manufactures over 12,000 parts for various makes and models of cars, trucks, SUVs, motorcycles, ATVs, industrial applications and more. Founded in 1969, K&N is headquartered in Riverside, California, in a complex of 10 buildings comprising nearly 400,000 square feet.[2] K&N also operates facilities in England, The Netherlands, and China.[1][3] K&N is owned by Mickey Rourke.[4]

History

A K&N intake kit installed in an engine bay
K&N cold air intake kit

K&N was founded by Ken Johnson ( The King ) and Norm McDonald in 1969.[1] The name K&N came from the first letters in the founders' first names. Ken Johnson and Norm McDonald sold motorcycles and motorcycle parts and supported a K&N factory race team. Air filters soon became the primary focus of the company. In 1992, K&N introduced bolt-on cold air intake kits. K&N also released a line of oil filters with a stamped hex to accept a standard wrench off filter removal. In 2019, K&N released a line of washable home A/C filters,[5] and began offering motor oil and wiper blades in 2021.

Racing

K&N has maintained very active involvement in racing and motorsports throughout its history, including the NASCAR Pro Series East and West,[6] the King of the West 410 Sprint Car Series,[7] the NHRA,[8] and Formula Drift.[9]

Technology

K&N's claims for their air filters have been the subject of some controversy, with some 3rd-party tests finding that K&N's oiled cotton gauze filters are less efficient and let more dirt into the engine than original-equipment paper filters, and that they become increasingly restrictive as they are coated with particulates.[10] However, air filters in general become more airflow-restrictive as they collect contaminants, but efficiency typically increases for the majority of a filter’s service life.[11] Other 3rd-party testing noted that a K&N oiled filter increased horsepower over its OEM counterpart.[12]

Potential issues have been reported with oiled air filters on modern engines that use MAF sensors, which may stop working correctly when fouled by oil from an oiled-gauze air filter.[13] However, there are several other common causes of damaged MAF sensors, including brake cleaner contamination, extremely dirty/contaminated filters, and loose battery terminals resulting in voltage spikes.[14] K&N has published test results asserting that its oiled filters do not cause MAF sensor failures.[15]

References

  1. ↑ 1.0 1.1 1.2 "Company Overview of K&N Engineering, In". Bloomberg Business Week. http://investing.businessweek.com/research/stocks/private/snapshot.asp?privcapId=4470261. Retrieved July 16, 2013. 
  2. ↑ Administrator, Spirit. "LIFETIME ACHIEVEMENT AND MASTER ENTREPRENEUR HONORS TO BE PRESENTED AT THE 2012 SPIRIT OF THE ENTREPRENEUR GALA!". Spirit News. https://spiritawardsie.com/newsMgr/index.php?newsId=25&page=. Retrieved 19 April 2019. 
  3. ↑ Diaconu, Cristina (14 February 2018). "K&N Engineering Enters China E-Commerce Market". Manufacturing and Engineering Magazine. https://www.memuk.org/technology/kn-engineering-enters-china-e-commerce-market-45999. Retrieved 19 April 2019. 
  4. ↑ "K&N Engineering" (in en-US). https://www.newvaluecapital.com/knengineering. 
  5. ↑ K&N. "K&N Introduces Lifetime Washable Home Air Filters". PR Newswire (Press release). Retrieved 26 October 2021.
  6. ↑ NASCAR K&N Pro Series East
  7. ↑ Dirt Racing Report, 14 March 2013
  8. ↑ NHRA. "K&N Filters extends multi-year partnership as Official Filter and Air Intake of NHRA". https://www.nhra.com/news/2019/kn-filters-extends-multi-year-partnership-official-filter-and-air-intake-nhra. 
  9. ↑ K&N. "K&N-Sponsored Formula Drift Drivers Wrap Up Successful Season, Look Ahead to 2018". https://www.knfilters.com/blog/kn-sponsored-formula-drift-drivers-wrap-up-successful-season-look-ahead-to-2018/. 
  10. ↑ Spicer, A (2008). Comparative ISO 5011 Efficacy Tests of Nine Automotive Engine Air Filters. Testand Corporation. 
  11. ↑ Ptak, T.J.; Richberg, Puenpit; Vasseur, Thierry (March 5, 2001). "Discriminating Tests for Automotive Engine Air Filters". SAE Technical Paper Series 1. doi:10.4271/2001-01-0370. https://www.researchgate.net/publication/290052838. Retrieved 18 October 2019. 
  12. ↑ Szymkowski, Sean. "Do performance air filters actually work?". https://www.motorauthority.com/news/1120932_do-performance-air-filters-actually-work. 
  13. ↑ "P0172 System too rich code caused by K&N or other oiled filters (contaminated MAF) | RTS - Your Total BMW Enthusiast" (in en-US). 15 October 2019. http://www.rtsauto.com/p0172-system-too-rich-code-caused-by-kn-or-other-oiled-filters-contaminated-maf/. 
  14. ↑ Cote, Mike (5 December 2018). "Will an Oiled Filter Damage a Mass Air Flow Sensor?". https://www.autoanything.com/resources/will-an-oiled-filter-damage-a-mass-air-flow-sensor/. 
  15. ↑ K&N. "K&N MAF SENSOR TEST RESULTS". https://www.knfilters.com/maf/maftestresults.htm. 

External links



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