MST Cold Air Intake For 2017+ Honda Civic Si s58tuning The JB4 tuner installs between

The JB4 tuner installs between your car's sensors and it's DME/ECU (computer) and manipulates vehicle performance through these connections making your vehicle much faster

With a dedicated in-house R&D team and advanced manufacturing processes

designed to deliver enhanced airflow and optimize turbocharger performance

Whether you're looking for sharper acceleration

Horsepower Supported Pump Gas: 1

MST Cold Air Intake For 2017+ Honda Civic Si s58tuning The JB4 tuner installs betweenEnhance your driving experience with the MST Cold Air Intake System for the 2017+ Honda Civic Si. This high performance intake system is designed to boost horsepower and deliver a more engaging driving feel. Features Increased Horsepower: Gain an impressive 8 12 hp for a noticeable boost in performance. Closed Type Heat Shield: Protects the intake from hot engine air, ensuring cooler and more efficient airflow. Low Restriction Aluminum Tubing: