| Brand | Perrin Performance |
|---|---|
| Manufacturer | Perrin Performance |
| Manufacturer Part Number | PSP-TAC-600RD |
Check the listing for details. Perrin Recirculating Blow Off Valve Fits Subaru WRX STI Outback Legacy Forester. Condition: New. Listed at 225.25 USD. Setting it harder will cause it to vent later and with significantly increased boost levels. The PERRIN Blow Off Valve body is CNC machined from a single block of aluminum. The PERRIN Blow Off Valve cap, piston & flange are all CNC machined from 6061 Billet Aluminum.