KTM RC 390 (2022) DNA Air Box Cover Stage 2 P-KT3N20-S2



Stock Air Box With Stock Filter: 37.40 CFM

Stock Air Box With DNA® Stage 2 & DNA S1 Filters Air Flow: 73.30 CFM

DNA® Increased Air Flow: +95.99%

DNA® Filtering Efficiency: 98-99%


Product Information

  • This new Stage 2 Air Filter features DNA®’s advanced FCd (Full Contour design) and designed to work exclusively with the DNA stock replacement air filter. Correctly used it willincrease the airflow, torque andpower of the engine.
  • Installation info are included with this new DNA Stage 2 Air Filter.Fuel injection recalibration is suggested but NOT necessary.
  • The filtering efficiency of the assembly with the DNA Stage 1 Air Filter (P-KT3N18-0R) is extremely high at 98-99% filtering efficiency (ISO 5011).
  • The airflow of this new DNA Stage2 Air Filter (P-KT3N20-S2) combined ALWAYS with the DNA Stage 1 Air Filter (P-KT3N18-0R) is +95.99% over the KTM / HUSQVARNA stock application!
  • Stock air box with DNA S1 & S2 air filter flow: 73.30 CFM(Cubic feet per minute) @1.5” H2O corrected @ 25 degrees Celsius.
  • Stock air box with KTM/HUSQVARNA stock paper filter air flow: 37.40CFM (Cubic feet per minute) @1,5” H2O corrected @ 25degrees Celsius.
  • This DNA® Stage2 Air Filter is designed for:‘Road, Off Road & Race use'