Original: $67.25
-70%$67.25
$20.18The Story
DNA Air Filter for Royal Enfield – R-RE5N12-01
Upgrade your Royal Enfield Bullet, Classic, or Thunderbird with the DNA R-RE5N12-01 High-Performance Air Filter. Engineered to increase horsepower, improve acceleration, and maintain world-class filtration efficiency, this air filter delivers superior engine breathing and throttle response. Perfect for road, off-road, and race use, it is a direct-fit replacement for your stock air box and installs with a simple drop-in design.
Key Features of DNA R-RE5N12-01 Air Filter
- High Airflow Output: +42.84% increase in airflow compared to the OEM filter for better engine breathing and performance.
- Superior Filtration: Maintains 98–99% efficiency with 4 layers of premium DNA® cotton (ISO 5011 certified) to protect your engine.
- Washable & Reusable: Eco-friendly design reduces replacement costs and environmental impact.
- Drop-In Installation: Direct-fit replacement for the factory air box, no modifications required.
- Versatile Use: Suitable for street riding, off-road trails, and performance racing.
Specifications
| Filter Use | Road, Off-Road & Race |
| Filter Design | Round Design |
| OEM Part Number | 581007-A |
| Filtering Efficiency | 98% - 99% (ISO 5011 Certified) |
| Airflow Increase | +42.84% |
| DNA Air Filter Flow Rate | 122.20 CFM @ 1.5” H₂O @ 25°C |
| OEM Air Filter Flow Rate | 85.55 CFM @ 1.5” H₂O @ 25°C |
| Dimensions | 10 x 10 x 6 cm |
Performance Highlights
- Improved Engine Breathing: Optimized airflow enhances combustion efficiency.
- Better Throttle Response: Faster engine response for dynamic riding.
- Durable & Reliable: Washable and reusable for long-term use.
- Easy Installation: Fits directly into the stock air box with no modifications.
Bike Compatibility
- Royal Enfield Bullet 500 / 350 (2009–2021)
- Royal Enfield Classic 500 / 350 (2009–2021)
- Royal Enfield Thunderbird 350 / 500
Upgrade to the DNA R-RE5N12-01 Air Filter for improved airflow, throttle response, and engine performance while maintaining top-level filtration. Perfect for riders seeking high-performance air filters for road, off-road, or racing use.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
DNA Air Filter for Royal Enfield – R-RE5N12-01
Upgrade your Royal Enfield Bullet, Classic, or Thunderbird with the DNA R-RE5N12-01 High-Performance Air Filter. Engineered to increase horsepower, improve acceleration, and maintain world-class filtration efficiency, this air filter delivers superior engine breathing and throttle response. Perfect for road, off-road, and race use, it is a direct-fit replacement for your stock air box and installs with a simple drop-in design.
Key Features of DNA R-RE5N12-01 Air Filter
- High Airflow Output: +42.84% increase in airflow compared to the OEM filter for better engine breathing and performance.
- Superior Filtration: Maintains 98–99% efficiency with 4 layers of premium DNA® cotton (ISO 5011 certified) to protect your engine.
- Washable & Reusable: Eco-friendly design reduces replacement costs and environmental impact.
- Drop-In Installation: Direct-fit replacement for the factory air box, no modifications required.
- Versatile Use: Suitable for street riding, off-road trails, and performance racing.
Specifications
| Filter Use | Road, Off-Road & Race |
| Filter Design | Round Design |
| OEM Part Number | 581007-A |
| Filtering Efficiency | 98% - 99% (ISO 5011 Certified) |
| Airflow Increase | +42.84% |
| DNA Air Filter Flow Rate | 122.20 CFM @ 1.5” H₂O @ 25°C |
| OEM Air Filter Flow Rate | 85.55 CFM @ 1.5” H₂O @ 25°C |
| Dimensions | 10 x 10 x 6 cm |
Performance Highlights
- Improved Engine Breathing: Optimized airflow enhances combustion efficiency.
- Better Throttle Response: Faster engine response for dynamic riding.
- Durable & Reliable: Washable and reusable for long-term use.
- Easy Installation: Fits directly into the stock air box with no modifications.
Bike Compatibility
- Royal Enfield Bullet 500 / 350 (2009–2021)
- Royal Enfield Classic 500 / 350 (2009–2021)
- Royal Enfield Thunderbird 350 / 500
Upgrade to the DNA R-RE5N12-01 Air Filter for improved airflow, throttle response, and engine performance while maintaining top-level filtration. Perfect for riders seeking high-performance air filters for road, off-road, or racing use.

















