K&N parts matching Napa 6388 air filter

The Napa 6388 air filter cross references with the K&N air filter parts below. K&N offers compatible air filters for many Napa air filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Richard Padfield, New Zealand
I fit this filter in an EK4 Honda Civic factory air box.. Very Happy easy install and good throttle response
Romain Dandumont, Chatuzange Le Goubet, France
Livraison Rapide montage en 1 minute et gain ressenti.
Kevin Cradic, Leavenworth, Washington
No complaints about this filter. More air flow and I could tell it was running better right off the bat. I was skeptical, however I'm not now and the rest of my vehicles will get a new air filter soon as well
33-2104 K&N 33-2104 Replacement Air Filter
List Price: $81.19
Your Price: $51.99