DNA AIR FILTER Duke/ RC 390 and 250 (2014-) – R-KT1SM11-OR
Overview
The DNA AIR FILTER Duke/ RC 390 and 250 (2014-) – R-KT1SM11-OR by DNA.
Overview
The DNA Air Filter (R-KT1SM11-OR) is a high-performance upgrade designed to optimize the breathing of your KTM engine. Engineered for both road and racing applications, this filter significantly increases airflow compared to the factory foam filter while maintaining superior engine protection.
Key Features
- Enhanced Airflow: Delivers 142.85% more airflow than the stock KTM foam filter, supporting improved horsepower and acceleration.
- Advanced Filtration: Utilizes 4 layers of DNA cotton to achieve an extremely high filtering efficiency of 98-99% based on ISO 5011 standards.
- Reusable Design: The filter is fully washable, offering a cost-effective and durable solution for your motorcycle.
- Direct Fitment: Specifically designed to fit into your bike’s original airbox, making installation straightforward by following your vehicle’s workshop manual.
Specifications
| Product Code | R-KT1SM11-OR |
| Filtering Efficiency | 98-99% (ISO 5011) |
| Airflow (DNA Filter) | 96.00 CFM @ 1,5″H2O |
| Airflow (Stock Filter) | 39.53 CFM @ 1,5″H2O |
| Material | 4-layer DNA Cotton |
FAQ
Q: Is this filter compatible with my KTM motorcycle?
A: This filter fits a wide range of models, including KTM Duke 125 (11-16), 200 (12-19), 250 (15-18), 390 (13-19), and RC 125 (14-20), 200 (14-20), 250 (15-19), 390 (14-21).
Q: How do I install the DNA air filter?
A: Installation is simple; follow the instructions provided in your specific vehicle’s workshop manual.
Q: Can I return or exchange this filter?
A: No, DNA Air Filters do not qualify for any exchanges, returns, or replacements.
Why Choose This Product
Choosing this DNA air filter provides a tangible performance increase by allowing significantly more air into the engine (96.00 CFM vs 39.53 CFM). Its robust 4-layer cotton construction ensures that you do not sacrifice engine protection for power, as it maintains near-perfect filtration efficiency. Being washable, it is a sustainable choice for riders looking for a long-term, high-performance maintenance upgrade.
Use Cases
- Optimizing engine performance for track racing and competitive events.
- Enhancing throttle response and acceleration for daily street riding.
- Replacing restrictive stock foam filters with a durable, high-flow alternative.
Experience the quality and innovation of DNA with the DNA AIR FILTER Duke/ RC 390 and 250 (2014-) – R-KT1SM11-OR.














































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