The DNA Air Filter for the Honda CRF 300 L (2021-2023) showcases advanced filtration technology fused with an innovative design. Built with four layers of DNA® cotton, this filter achieves an impressive filtering efficiency of 98-99%, ensuring not only optimal performance but also durability.
Engineered for both road and off-road use, the filter offers a significant increase in airflow, delivering 10.18% more than the stock filter for a powerful boost in horsepower and acceleration. Its user-friendly drop-in design makes it an effortless upgrade to your motorcycle’s air intake system, guaranteeing perfect fit and sealing.
With washable and reusable capabilities, the DNA Air Filter is a sustainable choice for motorcycle enthusiasts. Trust in its superior build quality and enjoy a product that can last the lifetime of your vehicle—all while enhancing your riding experience.


DNA High Performance Filters are engineered to unlock the full potential of your motorcycle’s engine. Manufactured in Europe with advanced materials and precision techniques, DNA filters offer significantly increased airflow while maintaining exceptional filtration efficiency. This balance results in noticeable gains in horsepower, throttle response, and overall engine performance, whether you’re on the street, track, or trail. DNA filters are washable and reusable, offering long-term value and reduced environmental impact. Designed to be a direct replacement for OEM filters, installation is simple and effective.
Trusted by performance riders and racers worldwide, DNA filters are the choice for those who demand more from their machine without compromising engine protection.