Product Summary

The DNA Stage 2 Air Box Cover for KTM RC 390 (22-23) is a high-performance intake upgrade designed to work alongside the DNA Stage 1 filter. With nearly double the airflow of the stock setup and 98-99% filtration efficiency, it delivers improved power, acceleration, and throttle response—ideal for street and track riders alike.

DNA Stage 2 Air Box Cover For KTM RC 390 (2022-2023) – Maximize Airflow & Performance

Upgrade your KTM or Husqvarna motorcycle with the DNA Stage 2 Air Box Cover (P-KT3N20-S2) – engineered to boost airflow and performance. Specifically designed to replace the stock air box cover, this performance upgrade works in sync with the DNA Stage 1 air filter for maximum efficiency, improved throttle response, and power gains without compromising filtration quality.

Enhanced Performance

• High-Flow Air Intake – Replaces the restrictive stock air box cover.

• +95.99% Increased Airflow – Achieves 73.30 CFM compared to stock’s 37.40 CFM.

• Torque & Power Boost – Optimizes engine breathing for enhanced performance.

• Advanced FCd Design – DNA’s Full Contour design ensures precise fit and sealing.

• Race-Ready Filtration – Filtering efficiency up to 98-99% (ISO 5011 standards).

• No Compromise Fit – Designed to fit with your OEM air box and DNA Stage 1 filter.

Vehicle Compatibility

• KTM RC 390 (2022-2023)

• KTM Duke 125 (2017 onwards)

• KTM Duke 250 (2017 onwards)

• Husqvarna Vitpilen

• Husqvarna Svartpilen

Product Details

• Make: KTM / Husqvarna

• Stock Airflow (with OEM Filter): 37.40 CFM

• Airflow with DNA Stage 1 + Stage 2 Kit: 73.30 CFM

• Airflow Gain: +95.99%

• Filtering Efficiency: 98-99%

• Installation: Simple drop-in, installation guide included

• Usage: Road | Off-Road | Racing

• Fuel Recalibration: Recommended, but not mandatory