The TurboSmart Dual Port Blow Off Valve for the 02-07 WRX & 04-12 STi is four BOV's in one. The Dual Port can be configured as a Supersonic, Megasonic, Plumb Back or Dual Port! Features sequential ports for quiet operation on mild boost and full performance at full boost. Includes Blanking Plug & Gasket.
Key Features:
- Includes both atmospheric and bypass ports
- Easily converts to a fully atmo or fully bypass valve
- Sequential ports provide a quiet operation on mild boost and full performance at full boost
- Simple installation and setup.
- Anodized cap
- 360 degree rotating nipple

