Injen 17-20 Honda Civic Si 1.5T Evolution Cold Air Intake System

Elevate the performance of your 2017-2021 Honda Civic Si L4-1.5L Turbo with the Injen Evolution Cold Air Intake System, engineered to deliver impressive power gains and an aggressive intake growl that sets you apart on the road.

With dyno-proven gains of up to 22 hp and 18 lb-ft. of torque, this intake system is meticulously designed to optimize airflow and enhance throttle response, giving you the exhilarating driving experience you crave. Engineered to seamlessly integrate with the stock calibration, the Evolution Cold Air Intake ensures that power gains are achieved while maintaining ideal air/fuel ratios, eliminating the need for additional tuning.

Crafted from durable Roto-Molded Polyethylene tubing and housing, this intake system is built to withstand the demands of spirited driving, providing reliable performance mile after mile. The reinforced automotive-grade silicone couplers ensure a secure and leak-free connection, allowing for consistent airflow and optimal engine performance.

Featuring the innovative Injen Clear-View badge, inspecting the air filter is effortless, allowing you to quickly assess its condition for peak performance. The Twist-Lock Technology* securely integrates the air filter into the housing, minimizing the risk of air leaks and ensuring maximum filtration efficiency.

With stainless steel band clamps featuring an inner protective liner, installation is secure and hassle-free, while maintaining an aggressive under hood appearance that complements the Civic Si's OE fit.

Proudly made in Pomona, California, USA, each Injen Evolution Cold Air Intake System undergoes rigorous testing to meet the highest standards of quality and performance. Backed by the Injen Technology Limited Lifetime Warranty, you can trust in the reliability and durability of this intake system for years to come.

Upgrade your Honda Civic Si with the Injen Evolution Cold Air Intake System and experience the difference in performance, sound, and style. Please note that this product is not currently CARB exempt and is not available for purchase in California or for use on any vehicle registered with the California Department of Motor Vehicles.