K&N Air Filter KNHA3021
The K&N KNHA3021 is a high-performance air filter designed to enhance engine airflow. The multi-layered oiled cotton construction provides up to 50% more air compared to paper filters and can help increase power. The frame is built to last for the vehicle's lifespan. Installation is tool-free and takes less than five minutes.
Design and Materials
- Multi-layered oiled cotton material offering up to 50% more air compared to paper filters to promote better airflow and potentially improved engine response
- Durable frame and material designed to withstand the vehicle's lifespan, reducing the frequency of replacements
Practicality and Features
- Washable and reusable filter to reduce replacements and limit waste
- Tool-free installation in under five minutes for simple and quick mounting
- Maintenance intervals of up to 50,000 miles depending on driving conditions to extend maintenance operations
Usage and Performance
- High-flow design aimed at improving power, torque, and acceleration for a more responsive engine
- Tested according to ISO 5011 protocol to ensure effective filtration and protect the engine from dirt ingress
Benefits
- OEM Reference HA-3021
- Limited 10-year/1.6 million kilometres warranty providing long-term coverage
Compatible with a selection of models including:
- HONDA CRF 300 L RALLY ABS E5+ 300 (2025)
- HONDA CRF 300 L ABS E5+ 300 (2025)
- HONDA CRF 300 L RALLY ABS E5 300 (2024)