Mishimoto MMAI-CIV-17SIRD Performance Air Intake for Honda Civic Si - 2017-2020

The Mishimoto MMAI-CIV-17SIRD Performance Air Intake is engineered to maximize airflow and power for the 2017-2020 Honda Civic Si. This direct-fit intake system replaces the restrictive factory airbox with a high-flow design that delivers measurable performance gains while maintaining safe air-fuel ratios.

Key Features:

• Direct bolt-on fitment for 2017+ Honda Civic Si with no modifications required
• Delivers a 37% increase in airflow over the stock intake system
• Dyno-proven performance gains of up to 4 horsepower and 4 lb-ft of torque at the wheels on stock tune
• CNC-machined aluminum MAF (Mass Air Flow) housing specifically designed for the Si sensor to maintain accurate readings
• Premium silicone elbow available in red, black, or blue to match your engine bay style
• High-flow air filter maximizes air volume while providing excellent filtration

This performance air intake system is designed to work seamlessly with your Civic Si's engine management system, ensuring safe operation while unlocking additional power. The precision-engineered MAF housing maintains proper sensor function, preventing check engine lights and maintaining optimal air-fuel ratios. Whether you're looking for improved throttle response, enhanced engine sound, or measurable power gains, the Mishimoto Performance Air Intake delivers real-world results backed by dyno testing.