K&N's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are designed to provide low restriction and increased performance, while providing excellent engine protection for your motorcycle.

  • Designed to provide increased horsepower and torque
  • Pleated media provides a large filtration area offering long service intervals
  • Multiple layers of woven cotton gauze media offers excellent filtration
  • Application specific base seal and sealing bead
  • Made in the USA for over 40 years
  • Washable & reusable, pre-oiled and ready to ride!
  • No-Hassle Lifetime Limited Warranty
Estimated Horsepower Gain 9.32 HP @ 4803 RPM
Replacement Filter E-3980
Air Filter Color Red
Air Filter Material Cotton Gauze
Warranty No-Hassle Lifetime Limited
Product Style Motorcycle Intake System
Air Filter Shape Oval
Air Filter Height 2.188 in (56 mm)
CARB EO Number D-269-55
Street Legal In All US States Yes
TUV Approved (Europe) No
Inlet Diameter 1.313 in (33 mm)
Overall Height 2.188 in (56 mm)
Top Material Black Powder Coated
Weight 2.8 lb (1.2 kg)

(KRK-3942)

SKU KRK-3942
Barcode # 24844359780
Brand K&N
Unit Of Measure each
Modified Item No
Custom Bundle No
Machine Type Motorbike
Placement on Vehicle Front
Product Type Air Filter
Type Air Filter

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