K&N Air Filters partnered with Clarion Builds in restoration of a '74 BMW 2002. See the production of the custom K&N billet aluminum air cleaner assembly!

K&N 69-2548TS air intake install video 2013-2014 Dodge Dart 1.4 liter turbo. Guaranteed to increase horsepower

Behind-the-scenes footage of K&N's 2015 commercial shoot at Irwindale Speedway in California, with Vaughn Gittin Jr, Eric Holmes, K&N's own Steve Williams

K&N 69-6031TS air intake install video 2011-2013 Mazda 3 2.0L. Dyno tests show estimated gain of 5.6 horsepower at 5,743 RPM with this intake

K&N 69-8618TS air intake install video 2012-2017 Toyota Camry 3.5L. Dyno tests show estimated gain of 7.1 horsepower at 5,914 RPM with this intake

The K&N VF2044 washable cabin air filter for Chevy Silverado. K&N cabin air filters help clean and freshen the air coming into the interior

K&N 77-2579KTK air intake install video 2010-2014 Ford F-150 SVT Raptor 6.2L. Dyno tests show estimated gain of 20 horsepower with this intake

The K&N VF2016 washable cabin air filter for the Kia Optima. K&N cabin air filters help clean and freshen the air coming into your car's interior.

K&N 69-8617TTK air intake install video 2010-2011 Toyota Camry 2.5 liter. Dyno tests show estimated gain of 4.8 horsepower at 5,654 RPM with this intake

Horsepower isn't just for NASCAR, it's for your car. Especially when you're passing. K&N high flow air filters designed to increase horsepower