
Chapter 1 - What Do I Have Under My Hood and Why Should I Care?
Chapter 1 - What Do I Have Under My Hood and Why Should I Care?
There's a good chance a restrictive paper air filter is housed in your air box. The amount of air restriction caused by... Read more
7 Oct 2013
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Chapter 2 - An Air Filter That Mattered
Chapter 2 - An Air Filter That Mattered
Historically, air filters have not received a whole lot of attention or comparative analysis. They were designed to prov... Read more
7 Oct 2013
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Chapter 3 - A Reusable Idea in a Disposable Industry
Chapter 3 - A Reusable Idea in a Disposable Industry
While other air filter companies sold disposable filters, asking consumers to waste money through the endless cycle of b... Read more
7 Oct 2013
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Chapter 4 - If You Want It Done Right, Do It Yourself
Chapter 4 - If You Want It Done Right, Do It Yourself
What makes a K&N the best air filter in the world and what about these copycat filters that appear similar to a K&N? Our... Read more
7 Oct 2013
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Chapter 5 - The Worlds Best Air Filter Comes in RED and from California
Chapter 5 - The Worlds Best Air Filter Comes in RED and from California
It is very easy to build a filter that has a "K&N look" even if the materials used are completely different. It has gone... Read more
7 Oct 2013
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Chapter 6 - A Natural and Remarkable Filtration Approach
Chapter 6 - A Natural and Remarkable Filtration Approach
It almost seems incredible that a cotton air filter can provide such high filtration efficiency while dramatically incre... Read more
7 Oct 2013
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Chapter 7 - Cotton is More Complicated Than You'd Think
Chapter 7 - Cotton is More Complicated Than You'd Think
Just like nature, cotton gets complicated the deeper you look. How cotton is kneaded and combined at a strand level impa... Read more
7 Oct 2013
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Chapter 8 - Cleaning Your K&N Air Filter
Chapter 8 - Cleaning Your K&N Air Filter
All K&N Air Filters are washable and reusable. Your normal driving environment will determine when you should clean your... Read more
7 Oct 2013
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Chapter 9 - The Worlds First Million Mile Warranty
Chapter 9 - The Worlds First Million Mile Warranty
K&N replacement air filters and air intake systems are built to last for the life of your vehicle and are backed up by t... Read more
7 Oct 2013
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Chapter 10 - Consumer Protection Pledge
Chapter 10 - Consumer Protection Pledge
We want to make sure that when you buy a K&N Air Filter or Intake System, you can be confident your vehicle's warranty w... Read more
7 Oct 2013
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