Injen 06-09 Civic Si Coupe Only 60mm Cat-back Exhaust w/ Titanium Tip HF61-4G46-TL supply maximum cool-air entry via

supply maximum cool-air entry via two additional ports that open to the wheel wells

Mishimoto silicone hoses retain OEM fitment while providing increased pressure tolerance for the ultimate upgrade in performance and style

Roto-molded Intake Tube

zero maintenance and are manufactured by FK bearing in the USA

Injen 06-09 Civic Si Coupe Only 60mm Cat-back Exhaust w/ Titanium Tip HF61-4G46-TL supply maximum cool-air entry viaThe 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