K&N High Flow Air Filter For Honda CBR 250 R - HA-2511

K&N High-Flow Air Filter | Honda CBR250R / CBR300R / CB300F (HA-2511)

Boost the efficiency and throttle response of your Honda single-cylinder sportbike with the K&N High-Performance Air Filter. The HA-2511 is engineered to provide low restriction and high airflow, making it the perfect "Lifetime" replacement for the standard paper filter.

Key Features

• Designed to Increase Horsepower: Specifically engineered to provide up to 50% more airflow than disposable paper filters, helping your engine breathe easier at high RPMs.

   

• Crisper Acceleration: By reducing intake restriction, this filter improves throttle response, giving you a more engaging ride in city traffic or on winding roads.

• Advanced Engine Protection: Multiple layers of woven cotton gauze media provide exceptional filtration, capturing up to 99% of harmful contaminants.

• Washable & Reusable: This filter is designed to last the life of your motorcycle. When it gets dirty, simply wash, re-oil, and reinstall.

• Direct Fit: Designed to drop directly into the factory airbox—no fuel management modifications or "jetting" usually required.

Technical Specifications

Why Choose K&N for your Honda 250/300?

The K&N HA-2511 is a favorite for CBR250R owners because it addresses the "breathing" limitations of a small-displacement engine. While paper filters become increasingly restrictive as they age, K&N's high-flow cotton media maintains its performance even as it collects dust. This ensures your 250cc or 300cc engine maintains peak power delivery and a smoother idle, while also saving you money on replacement filters over the long term.