1952

Ken Johnson and Norm McDonald are both avid dirt-track racers in Southern California, and meet for the first time

1988

K&N introduces the first Wrench-Off oil filter

2017

The K&N built and operated Mustang race car wins the American Iron Championship

1972

Ken Johnson and Jerry Mall at the SEMA show

2016

K&N becomes the Official Filter of NHRA

1970

K&N’s very first race support trailer

1992

K&N releases its first cold air intake system

1952

Ken Johnson and Norm McDonald are both avid dirt-track racers in Southern California, and meet for the first time

2021

K&N introduces Filtration for the Future and gives their iconic logo a facelift.

1977

Early years of manufacturing with K&N’s first employee, Mary Lou

2014

K&N releases its first washable cabin air filter

2005

Carl Judice reaches 1,000,000 miles in his 1998 Chevy with one K&N air filter

2019

K&N celebrates 50 years in business, thanks to loyal customers like you!

1974

“King” Kenny Roberts on his iconic K&N-equipped Yamaha race bike

1969

Ken & Norm start developing a brand-new filter design—which would later become the iconic K&N High-Flow Air Filter™. K&N as a filter company is officially born. (Pictured: K&N’s first manufacturing building in

2019

K&N releases a premium washable home air filter line