GrimmSpeed Electronic Boost Control Solenoid 3-Port - Subaru WRX 2006-2007 / STi 2004-2007 / Forester XT 2004-2008 Styling Large diameter pressure cup

Large diameter pressure cup

* Large diameter pressure cup (Will not mar and damage the master cylinder like other braces)

leak-free seal

or if you plan on going down that path of modification

consider starting with one of our excellent Staged Power Packages based on your goals

GrimmSpeed Electronic Boost Control Solenoid 3-Port - Subaru WRX 2006-2007 / STi 2004-2007 / Forester XT 2004-2008 Styling Large diameter pressure cupThe GrimmSpeed Electronic Boost Control Solenoid is designed to work with your factory computer (requires tuning). It will not reduce the life of your factory computer because it is designed to draw the same ammount of power as the factory BCS but flows better and reacts faster. It plugs in and requires no splicing or soldering of resistors. With the included bracket you can bolt it in, plug in the connector, and start tuning for fast boost response,