H-WRXG4
Allows you to install a Turbo XS Hybrid Valve Type-H (BOV-H) or Turbo XS Blow Off Valve Type H-RFL (BOV-H-RFL) to a 2002-2007 Subaru WRX or 2004-2013 Subaru WRX STi.
Blow Off Valve sold separately.
Review pages below for additional information: