Agency Power Uppipe WRX (2002-2014) STI (2004-2018) 3 Series Exhausts as the factory Mass Airflow

as the factory Mass Airflow Sensor has already measured that air and is expecting that your motor will use it during combustion

The Tein Street Basis Z Coilovers for the 2015+ Subaru WRX and STI are some the best cost-effective and quality set of coil overs on the market

giving your Infiniti G37 more usable power and torque response in daily and real-world driving situations

accurate boost gauge and wideband air/fuel gauge are highly recommended

Included with each wheel is a 82mm PFS (hub ring) and clip

Agency Power Uppipe WRX (2002-2014) STI (2004-2018) 3 Series Exhausts as the factory Mass AirflowThe Agency Power uppipe for the WRX, STI and Legacy GT is made from polished 321 high grade stainless steel. 1 2" thick flanges are used for maximum strength and durability. The AP uppipe includes a new gasket and bolts to connect to the header. New exhaust studs for the upper flange are included for a secure fit to any turbo. The all TIG welded uppipe includes a bung for your factory or aftermarket EGT gauge. By replacing the uppipe with a high