GrimmSpeed Stage 1 Power Package Subaru STI 2008-2014 Ralliart_2009-2017 Core Width: 28

Core Width: 28

Includes the Mishimoto intercooler charge-pipe for maximum airflow and power capability

NRG's thinnest possible Quick Release

By shortening or lengthening the lever arms (2-point adjustment)

GrimmSpeed Stage 1 Power Package Subaru STI 2008-2014 Ralliart_2009-2017 Core Width: 28The GrimmSpeed Stage 1 Power Package is an excellent place to start when modifying your 2008 2014 Subaru STI. The upgraded GrimmSpeed 3 Port Boost Control Solenoid offers more accurate and more responsive boost control and is a must when having your vehicle professionally tuned. The GrimmSpeed Intake adds an additional performance increase by reducing pre turbo restriction, which allows your turbo to build boost more quickly and more efficiently. It's