DNA Air Box Cover Stage 2 Kit for Honda CB 500X / NX500 (2019-23)

DNA Air Box Cover Stage 2 Kit for Honda CB 500X / NX500 (2019-23)

The DNA Air Box Cover Stage 2 Kit for Honda CB 500X / NX500 (2019-23) is a Stage 2 high-flow product designed for Road, Off Road & Race use. It replaces the stock plastic air box intake and eliminates the OEM intake snorkel. When combined with the specified DNA Stage 1 Air Filter, it delivers a 75.22% increase in airflow over the stock Honda application. Visit our website for more products Dirt Street.

Stage 2 Air Box Cover Design

The DNA Stage 2 Kit replaces the stock plastic air box intake on compatible Honda models. The kit eliminates the OEM intake snorkel and offers higher performance and better intake sound, according to the supplied product information.

The kit features DNA’s advanced FCd design. The Stage 2 cover works with the specified DNA Stage 1 Air Filter to create the stated airflow combination.

Increased Airflow

When combined with the DNA Stage 1 Air Filter, the DNA Stage 2 kit provides 75.22% more airflow than the stock Honda application.

The stock air box with the DNA S2 and S1 air filter delivers 91.39 CFM. In comparison, the stock air box with the stock intake and stock air filter delivers 52.16 CFM.

These figures show the airflow difference between the DNA Stage 2 and Stage 1 combination and the standard Honda setup.

Stage 2 Application

The product uses a Stage 2 application and includes the cover. The Stage 2 kit forms part of the DNA air box system and replaces a section of the original air box intake.

DNA states that the Stage 2 kit, combined with the specified DNA Stage 1 Air Filter, increases airflow, filtering efficiency, power, torque and throttle response.

Road, Off Road & Race Use

DNA designs this Stage 2 kit as a High Flow product for Road, Off Road & Race use. The kit therefore covers the stated range of riding applications.

Fuel recalibration is suggested with this Stage 2 application. The supplied product information also notes that the Stage 2 kit works with the DNA Stage 1 Air Filter specified for the application.

DNA Stage 1 Air Filter Combination

The DNA Stage 2 kit should be combined with the specified DNA Stage 1 Air Filter for the stated airflow results. The supplied information identifies R-H5N20-01 as the separately sold filter.

With the DNA S2 and S1 air filter combination, the airflow reaches 91.39 CFM. The standard Honda setup records 52.16 CFM.

Airflow Comparison

The supplied airflow data provides a direct comparison between the DNA combination and the stock Honda setup:

• DNA S2 & S1 Air Filter Flow: 91.39 CFM
• Stock Honda Air Box & Filter Flow: 52.16 CFM
• Increase in Airflow: 75.22%
• Filtering Efficiency: 98-99%
• Stage Application: Stage 2
• Filter Use: Road, Off Road & Race
• Filter Design: DNA’s Advanced FCd
• Box Includes: Cover.