Pre-Filters-Outerwears > RD-4000 Series

  • OUTERWEARS WITH TOP
  • EASILY FITS OVER K&N RD-4000 SERIES OVAL AIR FILTERS
  • GREAT FOR SPRINT CARS, MIDGETS, AND ANY OTHER APPLICATION THAT USES THESE FILTERS
  • ELASTIC BANDING MAKES FOR A SNUG FIT
  • PROVIDES EXTRA PROTECTION AGAINST DIRT & AIRBORNE DEBRIS WITHOUT RESTRICTING AIR FLOW
  • WASHABLE POLYESTER FABRIC
  • EFFECTIVELY CATCHES DEBRIS
  • PROLONGS FILTER LIFE
  • THESE OUTERWEARS FIT THE FOLLOWING FILTERS:
    *K&N RD-4200
    *K&N RD-4400
    *K&N RD-4600
    *K&N RD-4650
    *K&N RD-4660
    *AS WELL AS ANY OTHER RD-4000 SERIES FILTER