Increase the performance of your Civic Si with the RD Series cold air intake, specifically engineered to generate significant bolt-on power. By drawing the coolest and densest air from deep within the engine bay, this system optimizes combustion efficiency for improved throttle response and horsepower gains. The design ensures safe air-fuel ratios are maintained throughout the powerband while delivering an aggressive, throaty engine tone that stands out from the crowd.

Features

• Mandrel-bent 6061-T6 aluminum air intake tube for smooth, efficient airflow
• Durable powder-coated black finish
• Includes SuperNano-Web dry air filter
• Increased filter surface area for superior filtration and flow
• Maintains safe air-fuel ratios without the need for aftermarket tuning
• No cutting or drilling required for installation
• All mounting hardware included
• Made in the USA
• Limited Lifetime Warranty