Hey Jon... how do these filter's flowing and filter characteristics stack up to the K & N filters? Would there be any reason to choose one over the other? (maybe cost?) --- cowboydren@b15sentra.net wrote: For example: > K&N Accel Application > 33-2031-2 KP2819 1991 Nissan Sentra 2.0L > RC-2960 KUC1501 JWT POP Charger