Injen 06-09 Civic Si Coupe Only 60mm Cat-back Exhaust w/ Titanium Tip Suspension>Control Arms -- Unlock an additional five

-- Unlock an additional five horsepower over the Mishimoto Performance Intercooler alone with a redesigned hot-side pipe that increases flow area by 103% and a cold-side pipe that adds 75%

High Precision and Reliability: SCORCHER modules are 100% tested

This clamp-on universal air filter has a filter top for higher air flow capability making it great for everyday use

130 lb /in

The air filter is located in the original air box location and is protected by a heat shield which is designed to reduce intake air temperature and increase horsepower

Injen 06-09 Civic Si Coupe Only 60mm Cat-back Exhaust w/ Titanium Tip Suspension>Control Arms -- Unlock an additional fiveThe 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