K&N Motorcycle Air Filter for Suzuki DRZ400


This K&N Motorcycle Air Filter, SU-4000, is a direct replacement for the original air filter on the Suzuki DRZ400, S and SM 2000 models and onwards, offering power increase, improved air flow and durability backed up by the K&N million mile limited warranty making this the only Air filter your Motorcycle will ever need.


K&N Replacement Motorcycle Air Filters are ideal for Road, off Road and Race use and are specifically designed for each motorcycle to provide clean and consistent filtration in all conditions and for extended use and as a rule require no jet or fuelling changes. K&N replacement air filters are washable and reusable using the K&N Recharger Filter Care Service Kit.

Benefits and features of K&N Performance Motorcycle air Filters;

  • High Air Flow with Excellent Filtration
  • Designed to Increase Horsepower and Acceleration
  • Washable and Reusable
  • Will NOT Void Vehicle Warranty
  • Lasts up to 50,000 miles before cleaning is required depending on riding conditions
  • K&N Million Mile Limited Warranty
  • Emissions Legal in all 50 US States.
  • Economical, K&N Air Filters will last the life of your Motorcycle
  • Works with Original Equipment Manufacturer Vehicle Electronics
  • Easy High Performance Add-on
  • Environmentally Friendly