Engine Performance

K&N Pre-Cleaner-Round Tapered Foam Filter Wraps

The K&N Airforce Pre-Cleaner is a specially designed foam filter wrap made to extend the service interval of your K&N air filter when used in very dusty conditions. The Airforce Pre-Cleaner is designed to be cleaned with K&N Cleaner or soap & water. Red colored Airforce pre-cleaners are oiled with K&N air filter oil after they are cleaned. They are made from large, open cell foam. Gray colored Airforce pre-cleaners do not use oil. They have smaller foam cells. Designed to fit K&N Round Tapered Air Filters. Check your filter dimensions to verify fitment.  CA Prop 65 Warning





  • Extends service interval of your filter in very dusty conditions
  • Large open cell foam construction stops 90% of dirt with very low air restriction
  • Cleanable with K&N Filter Cleaner or soap and water
  • This product wraps your air filter with an additional pre-filter

Sku List:

KN-25-0810Filter Wrap | Fits RE-0810 | Base I.D. 6" | Top I.D. 5" | Height 9" | K & N Price: $28.65
KN-25-0880Filter Wrap | Base I.D. 6" | Top I.D. 5" | Height 14" | K & N Price: $35.13
KN-25-5166Filter Wrap | Fits RC-5171 | Base I.D 8" | Top I.D. 6 5/8" | Height 12" | Charcoal | K & N Price: $48.53