Go Fast Bits Wastegate Actuator (Tune Required) Subaru STI 2004-2021 | 7305 needscustom5 Increases static caster for improved

Increases static caster for improved high-speed stability

Hoses are clearly marked for a hassle-free installation

Re-use your stock donut gasket along with a GrimmSpeed 2x Thick 3" Gasket (included) for a perfect seal on the first try

Part #: 21-687P

Go Fast Bits Wastegate Actuator (Tune Required) Subaru STI 2004-2021 | 7305 needscustom5 Increases static caster for improvedProduct Fitment: 2004 2021 Subaru STI Enhance your Subaru WRX STIs boost control, spool response, and tuning precision with the GFB WGA Wastegate Actuator. Engineered with a larger diaphragm, adjustable base pressure, and improved stroke length, this actuator offers superior boost stability and response under demanding conditions. Key Features Larger Diaphragm Design Offers more precise boost control and greater resistance to boost creep. Increased