K&N drop in filter

• letstwistagain

  29 Jan 05, 16:43

  Hi,
  
  i am considering changing the filter in the air of my nissan sunny 01 to K&N ones. Is it really useful? any effect on the car? any one with exprience?
  Thanks
• dajaja9

  30 Jan 05, 13:56

  hi,
  
  K&N is a good air filter. the filter itself is washable and reusable. you will notice minimal gains say 1-3kw gain.
  
  
• slacker001

  31 Jan 05, 19:06

  apart from performance gain, is there any improvement in FC? do drop in filters make the engine oil get dirtier faster?