Injen 06-09 Civic Si Coupe and Sedan 60mm Axle-back Exhaust (SES1577) 1538 This BBK mass air meter

This BBK mass air meter is a CNC Machined Billet Aluminum housing with a custom BBK calibrated electronic sensor placed on top to accurately measure air flow for accurate air fuel ratios

4224206 is a 4-pad spring-centered race disc made with high quality

The Track Edition Exhaust takes the engineered design of the Touring Edition Exhaust and replaces the rear AWE 180 Technology resonators with Track Edition straight pipe sections

Socket Assembly

Injen 06-09 Civic Si Coupe and Sedan 60mm Axle-back Exhaust (SES1577) 1538 This BBK mass air meterThe 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