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DNA Air Box Intake Cover for '22+ KTM RC 390 (Stage 2)
DNA Air Box Filter Intake Cover Stage 2 for KTM RC 390 Duke features DNA's advanced FCD (Full Contour design). The filtering efficiency is extremely high at 98-99% filtering efficiency (ISO 5011), with 4 layers of DNA Cotton.The flow of this new DNA Air Box Filter Intake Cover Stage 2 (DNA-P-KT3N20-S2) combined with the DNA Stage 1 Air Filter (DNA-P-KT3N18-0R) is very high, 95.99% more than the KTM stock application. DNA S1 & S2 Fcd air filter flow: 73.30 CFM (Cubic feet per minute) @1.5"H2O corrected @ 25 degrees Celsius. KTM stock paper filter: 37.40 CFM (Cubic feet per minute) @1.5"H2O corrected @ 25 degrees Celsius.
*Kit doesn't include Stage 1 filter (sold separately).
TECHNICAL FEATURES