DNA Air Box Cover Stage 2 for KTM Duke 390 (24-25)

DNA Air Box Cover Stage 2 for KTM Duke 390 (24-25)

The DNA Air Box Cover Stage 2 for KTM Duke 390 (24-25) improves airflow by replacing part of the original air box. It works exclusively with the DNA stock replacement air filter and supports increased airflow, torque, and engine power. Visit our website for more products Dirt Street.

The Stage 2 kit combines DNA’s advanced FCd design with the DNA Stage 1 Air Filter. Furthermore, the assembly maintains 98-99% filtering efficiency while providing a high-flow setup for road, off-road, and race use.

High-Flow Stage 2 Air Box Cover

The DNA Stage 2 Air Box Cover replaces part of the stock air box to support higher airflow to the engine. Moreover, DNA designed this cover to work exclusively with the DNA stock replacement air filter.

When used correctly with the DNA Stage 1 Air Filter, the assembly can increase airflow, torque, and power. Therefore, this setup provides a straightforward Stage 2 option for the KTM Duke 390.

Advanced FCd Design

The Stage 2 Air Filter features DNA’s advanced FCd (Full Contour design). This design forms part of the DNA high-flow setup and works together with the stock replacement air filter.

The assembly uses four layers of DNA Cotton and delivers 98-99% filtering efficiency according to ISO 5011. In addition, DNA supplies its filters pre-oiled from the factory with the correct amount of DNA oil applied individually.

Road, Off-Road & Race Use

DNA designed this Stage 2 air filter for Road, Off Road & Race use. As a result, the product suits riders looking for a high-flow air box setup across different riding applications.

The kit also supports the DNA Stage 1 Air Filter P-KT3N24-01. For the best setup, use the Stage 2 cover with the specified DNA replacement filter.

Installation and Fuel Recalibration

DNA provides installation information with the new Stage 2 Air Filter. Therefore, follow the supplied instructions during installation.

Fuel injection recalibration is suggested but NOT necessary. The Stage 2 assembly maintains its specified 98-99% filtering efficiency when used with the DNA Stage 1 Air Filter.

Filtering Efficiency

The complete assembly with the DNA Stage 1 Air Filter achieves 98-99% filtering efficiency (ISO 5011). DNA uses four layers of Cotton in the filter to provide this level of filtration.

Filtering efficiency refers to the amount of dirt the filter can retain while protecting the engine. For example, the supplied information states that the DNA filter can retain 98-99 grams from every 100 grams of dirt, including fine dirt as small as 5 microns.

Stage 2 Application

The DNA Air Box Cover Stage 2 for KTM Duke 390 (24-25) provides a Stage 2 air box solution designed around the DNA stock replacement air filter. It replaces part of the original air box and supports the high-flow setup.

Furthermore, the product carries OEM Cross Reference 96306003010 and includes the cover required for this Stage 2 application.

Why Choose the DNA Stage 2 Cover?

The DNA Stage 2 cover provides a dedicated high-flow setup for the KTM Duke 390 (24-25). It works with the DNA Stage 1 Air Filter and uses DNA’s advanced FCd design.

Additionally, the assembly delivers 98-99% filtering efficiency and supports Road, Off Road & Race use. With installation information included, the Stage 2 setup offers a clear upgrade path for riders using the specified DNA filter.