DNA KTM Duke 125-390 17-22 | 390 Adventure 20-22 | Husqvarna Vitpilen-Svartpilen 401 S2 Air Box Cover

Product Information:

• This new Stage 2 Air Filter features DNA®’s advanced FCd (Full Contour design) and is designed to work exclusively with the DNA stock replacement air filter. Correctly used it will increase the airflow, torque and power of the engine.
• Installation info is 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'