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Replacement Filters > Replacement Air Filter

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SU-2391
 
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K&N off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. Generally, no jet changes are required with just a K&N filter element. K&N replacement air filters are washable and reusable and provide high air-flow with excellent filtration.

[More Information on Off-Road Motorcycle and ATV Air Filters]
  • Designed to provide increased horsepower and acceleration
  • Specifically developed for Off-Road, Motocross, ATVs, UTVs and Side by Sides
  • Pleated cotton media provides a large filtration area offering low restriction, high-capacity and long service intervals
  • Multiple layers of woven cotton gauze media offers excellent filtration
  • Fits directly into OEM air box with application specific sealing bead ensuring a precise fit
  • No fuel management modifications are required to obtain increased performance
  • Washable & reusable, most are pre-oiled and ready to ride!
  • One Year Limited Warranty


Product Specifications 
Air Filter Shape:Oval
Base Outside Length:4.5 in (114 mm)
Base Outside Width:3.25 in (83 mm)
Filter Material:Cotton Gauze
Filter Re-Oiling Amount:0.33 oz (10 ml)
Flanges:None
Height:4 in (102 mm)
Inner Wire:No
Inside Length:3.063 in (78 mm)
Inside Width:2.25 in (57 mm)
Outside Length:4.5 in (114 mm)
Outside Width:3.25 in (83 mm)
Package Contents:1 Air Filter
Package Quantity:1
Part Number:SU-2391
Product Box Height:7.25 in (184 mm)
Product Box Length:4.63 in (117 mm)
Product Box Width:4.63 in (117 mm)
Product Style:Oval Air Filter
Top Material/Finish:Black Oxide
Top Outside Length:3 in (76 mm)
Top Outside Width:2 in (51 mm)
Top Style:Metal
Weight:0.65 lb (0.3 kg)


Customer Feedback      Be the first to review part SU-2391

I ordered these filters to replace my stock ones on a 2006 Suzuki M109R. They are an exact fit, easy install, very happy with them.
Al Lewis, Park City, Kansas
Love it. I drive a 93 Suzuki Samurai and makes more horsepower.
Gage Casias, Petersburg, Tennessee
I use K&N air and oil filters on all my personal vehicles, currently being: Suzuki GSXR 1000, Cagiva Raptor 1000, Jeep Cherokee and Nissan Stagea. To keep them running in top order I won't go past K&N!!
Joel, New Zealand