BMC Air Filter FM645/04 For Honda CBR250R 

Unleash the full potential of your Honda CBR250R with the BMC FM645/04 Performance Air Filter, precision-engineered to deliver unmatched airflow, filtration, and long-term engine protection. Whether you're a daily commuter or a weekend rider, this high-efficiency filter provides noticeable performance improvements from the first twist of the throttle.

Built using multi-layered cotton gauze soaked in low-viscosity oil and housed in a durable epoxy-coated mesh frame, this filter allows maximum clean air intake while effectively trapping impurities as small as 7 microns—compared to 10 microns in OEM filters.

Designed to fit directly into the stock airbox of your Honda CBR250R, installation is quick and tool-free, with no modifications required. Plus, the filter is washable and reusable, making it a cost-effective and eco-friendly upgrade.

✅ Key Features:

• Enhanced Airflow: Optimized intake design boosts combustion for more horsepower and torque

• Premium Materials: Built to endure high temperatures and demanding riding conditions

• Advanced Filtration: Multi-layer cotton gauze traps ultra-fine particles for superior engine protection

• Direct Fit Installation: No cutting, no hassle—fits seamlessly into your CBR250R’s OEM airbox

• Washable & Reusable: Clean and reuse with a BMC cleaning kit—no need for frequent replacements

• Performance Gains: Instant improvement in throttle response and acceleration

• Race-Proven Reliability: Trusted by top racers and professional teams worldwide