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Mishimoto's performance air intake for the 2017–2020 Honda Civic Si in blue is a direct-fit modification that enhances throttle response and under-hood appearance. It features a steel-wire-reinforced silicone intake arm, black powder-coated steel airbox protecting the high-performance filter, and a venturi-style MAF housing for smoother airflow. Dyno-proven gains are around 4 whp and 4 lb-ft on the stock tune, and the kit includes Mishimoto's Lifetime Warranty.
Mishimoto 2017+ Honda Civic SI Performance Air Intake Kit - Blue
