DNA Air Box Cover Stage 2 For Ktm RC 390 (22-23) (P-KT3N20-S2)

DNA Air Box Cover Stage 2 P-KT3N20-S2 for KTM RC 390 (2022–2023)

Upgrade your KTM RC 390 with the DNA Stage 2 Air Box Cover (P-KT3N20-S2), engineered to dramatically improve airflow, throttle response, and overall engine performance. Designed as a high-flow replacement for the stock air box cover, this Stage 2 kit is ideal for road, off-road, and race use when paired with the DNA Stage 1 Air Filter (P-KT3N18-0R).

Vehicle Compatibility

• KTM RC 390 (2022–2023)
• Husqvarna Svartpilen
• Husqvarna Vitpilen
• KTM Duke 125 (2017–)
• KTM Duke 250 (2017–)

Key Features & Technical Specifications

• Stage: Stage 2 Air Box Cover
• Filter Pairing: Must be used with DNA Stage 1 Air Filter (P-KT3N18-0R)
• Filter Design: DNA Advanced FCd (Full Contour Design)
• Pre-Oiled: Stage 1 filter pre-oiled for instant use
• Construction: Precision-molded, durable, and exact fit
• Installation: Simple drop-in with included instructions
• Fuel Recalibration: Suggested but not mandatory

Performance & Airflow

• Stock Air Box with OEM filter: 37.40 CFM @ 1.5” H₂O, 25°C
• Stock Air Box with DNA Stage 1 + Stage 2: 73.30 CFM @ 1.5” H₂O, 25°C
• Airflow Increase: +95.99%
• Filtering Efficiency: 98–99% (ISO 5011 Certified)

Benefits

• Substantial increase in engine airflow, torque, and power
• Improved throttle response for road, off-road, and race conditions
• Drop-in installation with no permanent modifications
• Works in combination with DNA Stage 1 Air Filter for optimal performance
• High filtration efficiency ensures engine protection

Dimensions

Length: 25 cm
Width: 21 cm
Height: 6 cm

Final Verdict

The DNA Stage 2 Air Box Cover (P-KT3N20-S2) is the perfect upgrade for KTM RC 390 owners seeking maximum airflow, improved performance, and precision-engineered fit. When paired with the Stage 1 DNA Air Filter, this combo nearly doubles the airflow over stock, making it ideal for enthusiasts and racers alike.