GrimmSpeed Stage 1 Power Package Subaru STI 2008-2014 Vehicle Model_Lancer Evolution 9 Already installed the Mishimoto charge

Already installed the Mishimoto charge pipe kit onto your WRX

Provides a quicker and more precise boost control response

The Whiteline support braces are designed to increase load resistance resulting in less flex and truer suspension alignment when pushing your car to the limits

Adjust your BOV venting bias electronically on-the-fly

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GrimmSpeed Stage 1 Power Package Subaru STI 2008-2014 Vehicle Model_Lancer Evolution 9 Already installed the Mishimoto chargeThe 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