K&N parts matching Champ Labs. AF524 air filter

The Champ Labs. AF524 air filter cross references with the K&N air filter parts below. K&N offers compatible air filters for many Champ Labs. air filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Gabriel, Rowland Heights, California
Increased mpg significantly
Kaihua Zhang, Beijing, China
Fast shipping, and the filter fits great.
Anthony French, Chattanooga, Tennessee
I own a '88 Mazda RX7 and with this being my air filter, it runs like it did back in the 80's!
33-2017 K&N 33-2017 Replacement Air Filter
List Price: $115.99
Your Price: $74.99