Upgrade your 2017-2020 Honda Civic Si with the Mishimoto Performance Air Intake Kit, designed specifically to enhance engine efficiency and throttle response. This direct-fit upgrade offers noticeable sound improvements under acceleration, delivering an aggressive tone that emphasizes your vehicle's sporty character. Crafted with a high-performance Mishimoto air filter and a venturi-style MAF housing, this intake system ensures smoother airflow and reduces restrictions, resulting in dyno-proven gains of approximately 4 horsepower and 4 ft-lbs of torque on the stock tune. The intake features a durable black-powdercoated steel airbox that shields the filter from engine bay heat and reduces the risk of hydrolock, with placement closer to the hood for optimal performance and protection. The steel wire-reinforced silicone intake arm improves airflow consistency and temperature control, replacing the stock aluminum design for better thermal management. Using the vehicle’s existing air diverter, the intake seamlessly integrates with the stock system, maintaining factory connections and functionality. This kit is engineered in the USA at Mishimoto’s Delaware headquarters and backed by a Lifetime Warranty, reflecting its superior quality and craftsmanship. It is compatible with the stock tune and complies with EPA standards, making it a reliable and high-performance upgrade for your Civic Si.
Features:
- Dyno-proven maximum gains of up to 4 whp and 4 wtq on the stock tune
- Smooth design eliminates restrictions and improves airflow
- 37-percent less restrictive than stock intake system
Fitment:
2017 Honda Civic Si
2018 Honda Civic Si
2019 Honda Civic Si
2020 Honda Civic Si