K&N’s Horsepower Guarantee, Customer Pledge, and Custom Filters

Custom air filters by K&N on the RTR-X Mustang

Any performance enthusiast has heard of K&N Air Filters, and more than likely own one as well.  Not only do they make direct-replacement, drop-in air filter elements for virtually every car on the market, they also make air intakes and oil filters.  In a given year, K&N will test around 1600 vehicles on their dynos.  Before an intake design is completed, they will have completed over 200 dyno pulls on around six different vehicles for that application.  A lot of care goes into the fitment, and design to ensure maximum horsepower without sacrificing drive-ability.  They are so confident that you will be happy with your intake, that they will refund your money if it doesn’t perform.  Also if you need a custom application filter built, K&N welcomes this as well.

Ever owned a new car and got denied warranty service due to an aftermarket part?  I know I have.  K&N stands behind their customers with the Consumer Protection pledge.  Basically if you experience difficulties with a dealership repair department, they will step-in and resolve the issue, so you won’t have to.  K&N holds many dealer education classes to educate service departments on their product, and if they need to take one to court due to a warranty claim being denied due to one of their filters, they will do it.

A million mile warranty on their air filters, hundreds of chassis dyno pulls per application, and a pledge that K&N will stand behind their product in any circumstance, what else could you ask for?

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About the author

Mark Gearhart

In 1995 Mark started photographing drag races at his once local track, Bradenton Motorsports Park. He became hooked and shot virtually every series at the track until 2007 until he moved to California and began working as a writer for Power Automedia. He was the founding editor for its first online magazines, and transitioned into the role of editorial director role in 2014. Retiring from the company in 2016, Mark continues to expand his career as a car builder, automotive enthusiast, and freelance journalist to provide featured content and technical expertise.
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