K&N parts matching Champ Labs. AF3998 air filter

The Champ Labs. AF3998 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
Patrick Scher , Sarreguemines, France
Mon moteur respire enfin. Très satisfait, gain de couple et enfin un léger bruit de moteur qui ronronne........
Luis M Estrada , Santa Ana, California
This filter is the best.. Soon after I installed it in my car, it made a huge difference... It really increased my horse power and my gas mileage and it sounds better.. By the way, so easy to install.. K&N is the best..
Rick Plummer, Miami, Florida
The best thing to have in any car now. Helps with gas mileage.
33-2345 K&N 33-2345 Replacement Air Filter
List Price: $83.99
Your Price: $53.99