K&N AIR-FILTER FOR KTM DUKE/RC 125/200/250/390 BS3/BS4

Code: KT-1211

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!
  • Million-Mile Limited Warranty


Out of stock


Air Filter Shape Panel
Filter Material Cotton Gauze
Washable Yes
Height 1.563 in (40 mm)
Outside Length 5.563 in (141 mm)
Outside Width 4.313 in (110 mm)
Package Contents 1 Air Filter
Package Quantity 1
Warranty 1,000,000 Miles/10 Year
Product Style Panel Air Filter
Weight 0.6 lb (0.3 kg)
Filter Re-Oiling Amount 0.33 oz (10 ml)
Product Box Height 9.69 in (246 mm)
Product Box Length 7.72 in (196 mm)
Product Box Width 1.75 in (44 mm)

Additional information

Weight 0.3 kg
Dimensions 19.6 × 4.44 × 24.61 cm