K&N 25-1691

Filter Wraps > Air Filter Foam Wrap
List Price: $37.53
Your Price: USD $26.99

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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 air 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.

[More Information on AirForce Foam Wraps]
  • 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

Product Specifications

Air Filter ShapeOval
Closed TopYes
Height2 in (51 mm)
Inside Length5.5 in (140 mm)
Inside Width4.25 in (108 mm)
Material UsedFoam
Package Contents1 Airforce Pre-Cleaner Wrap
Package Quantity1
Product Box Height10.5 in (267 mm)
Product Box Length8.5 in (216 mm)
Product Box Width2.75 in (70 mm)
Product StyleFilter Wrap - Oval Straight
Weight0 lb (0 kg)
Wrap TypeAirforce Pre-Cleaner

Customer Feedback

Be the first to review part 25-1691
The day after ordering the replacement air filter I looked down our long driveway seeing a small box. When I brought the box into the house opened it I saw a smaller box inside with K & N picture on the smaller box. Wow That delivery was almost too quick The installation was also very quick. What took the most time was walking to my tool box and grabbing a screw driver to fasten the filter. After 5 minutes of installing the new K & N replacement air filter. I started up the Suzuki Dual Sport 650 took it for a spin noticing the bike had more power and was running better. Thank You K & N. No other company on Earth can design & manufactures air filters that compare with your products.

Edmund Lewis Weber Jr.
Pauma Valley, California
Fits perfectly in my Suzuki e230 very good fit and received in a timely manner

Jim Zenz
Wixom, Michigan
Gorgeous chrome Hex cap, so no special Suzuki tool needed. Perfection.

Cheyenne, Wyoming