DNA Air Filter (18-20) RE Classic 350

The DNA Air Filter R-RE5N12-01 is a high-performance royal-enfield-cl…0-dna-air-filter/  upgrade designed specifically for the 2018–2020 Royal Enfield Classic 350. Manufactured by DNA Filters, a company renowned for its commitment to quality and performance, this air filter offers significant enhancements over the stock OEM filters.Moto Central

🧩 Compatibility

This filter set is compatible with the following Royal Enfield models:

• Royal Enfield Classic 350 (2018–2020)

• Royal Enfield Bullet C5, G5, B5 Series (2009–2021)Moto Central

• Royal Enfield Bullet 350 EFI (2020)Moto Central

This ensures that a broad range of Royal Enfield owners can benefit from the performance improvements offered by the DNA filter set.

⚙️ Design & Construction

The DNA R-RE5N12-01 air filter features the company’s advanced Full Contour Design (FCd), optimizing the filter’s surface area to maximize airflow. Constructed with four layers of DNA’s next-generation premium cotton gauze, the filter offers an impressive 98–99% filtering efficiency, effectively trapping contaminants while allowing for increased airflow.Moto Central

This design results in a 42.84% increase in airflow compared to the stock Royal Enfield paper filters, with the DNA filter providing a flow rate of 122.20 CFM per filter, compared to the OEM’s 85.55 CFM. Moto Central

🔧 Performance Benefits

By improving airflow, the DNA R-RE5N12-01 air filter contributes to enhanced engine performance in several key areas:

• Increased Horsepower: The improved airflow facilitates better combustion, leading to a potential increase in horsepower.

• Enhanced Throttle Response: With more air entering the engine, throttle response becomes more immediate and precise.

• Improved Fuel Efficiency: Optimized air intake can lead to more efficient fuel combustion, potentially improving fuel economy.

These benefits make the DNA air filter a valuable upgrade for both road and off-road use.

🛠️ Installation & Maintenance

Installing the DNA R-RE5N12-01 air filter is straightforward, following the procedures outlined in the Royal Enfield workshop manual. The filter is designed as a direct drop-in replacement for the OEM filter, requiring no modifications to the airbox.Moto Central

Maintenance is equally convenient, as the filter is washable and reusable. Regular cleaning and re-oiling can restore the filter’s performance, extending its lifespan and ensuring consistent engine protection.

💰 Pricing & Availability

The DNA R-RE5N12-01 air filter is competitively priced, reflecting its high-performance capabilities and durability. Prices may vary slightly depending on the retailer and region, but it generally offers excellent value for the performance gains it provides.

For instance, Moto Central offers the filter set for ₹5,799 in India.

✅ Pros & Cons

Pros:

• Enhanced Airflow: 42.84% increase over stock filters.Moto Central

• High Filtration Efficiency: 98–99% efficiency with four layers of cotton gauze.

• Durability: Washable and reusable design.

• Easy Installation: Direct drop-in replacement.

• Lifetime Warranty: Offered by DNA Filters.

Cons:

• Initial Cost: Higher upfront cost compared to OEM filters.

• Maintenance: Requires periodic cleaning and re-oiling.

🧭 Final Thoughts

The DNA R-RE5N12-01 air filter is a significant upgrade for Royal Enfield Classic 350 owners seeking to enhance their motorcycle’s performance. With its advanced design, increased airflow, and high filtration efficiency, it offers tangible benefits in horsepower, throttle response, and fuel efficiency. The ease of installation and maintenance further add to its appeal, making it a worthwhile investment for both road enthusiasts and off-road adventurers.

For those looking to extract more performance from their Classic 350, the DNA R-RE5N12-01 air filter stands out as a top-tier choice.