Injen Performance Exhaust System for the 2017-2018 Honda Civic Si (SES1581TT) 40030 Gain 14 ft/lbs Torque*

Gain 14 ft/lbs Torque*

HPS silicone Radiator + Heater Hose kit has all the correct bends and curves for a perfect fit replacement for your OEM rubber coolant hoses

All new stainless steel clamps and silicone couplers are included for a simple installation

Seibon Carbon’s manufacturing expertise

Injen Performance Exhaust System for the 2017-2018 Honda Civic Si (SES1581TT) 40030 Gain 14 ft/lbs Torque*The Injen Technology engineers are experts when it comes to performance, PERIOD. From Cars to Trucks to Powersports, Injen has a variety of exhaust systems to choose from. All of Injen Technology Performance exhaust systems are constructed from mandrel bent stainless steel tubing Mandrel bending ensures the tubing maintains its shapes and size throughout the entire length, providing smooth, unrestricted airflow. From the Investment cast flanges to the