PERRIN Bypass Valve
Not sure which option fits your application? Contact Us — we're happy to help.
PERRIN Bypass Valve - Subaru WRX (GE8/GH8) / Forester XT (SH9) MY10-13 / Outback XT MY05-09 / Liberty GT (BL5/BL9) MY05-09
PERRIN builds this bypass valve for enthusiasts who want precise control over boost recirculation on their Subaru. SKU PSP-TAC-610RD. The adjustable relief pressure and flow control let you dial in response and behaviour to suit your setup rather than relying on a fixed factory spring rate.
This listing covers the Subaru WRX (GE8/GH8), Forester XT (SH9) MY10-13, Outback XT MY05-09 and Liberty GT (BL5/BL9) MY05-09. It's available in Red and Black finishes via the variant selector on this listing.
Key Features
- Adjustable relief pressure for fine tuning on the fly
- Adjustable flow control
- Direct replacement for the factory bypass valve
- Available in Red or Black
Vehicle compatibility, OEM part numbers, and fitment notes are provided in the tabs above. Please ensure your vehicle's year, trim level, and configuration are confirmed before ordering.
Not sure if this suits your build? Contact our team at sales@chicaneaustralia.com.au for expert advice.
Vehicle Compatibility
| Make | Model | Chassis | Engine |
|---|---|---|---|
| Subaru | Forester XT | SH9 | - |
| Subaru | Liberty GT | BL5 | - |
| Subaru | Liberty GT | BL9 | - |
| Subaru | Outback XT | - | |
| Subaru | WRX | GE8/GH8 | - |
Technical Specifications
| Spec | Value |
|---|---|
| Part Number (Red) | PSP-TAC-610RD |
| Part Number (Black) | PSP-TAC-610BK |
| Valve Type | Blow-off/Bypass Valve (BOV/BPV) |
| Relief Pressure | Adjustable |
| Flow Control | Adjustable |
No instructions available for this product.

Need Help Finding the Right Part?
We’ll Track It Down for You
We know how frustrating it can be searching for the right part. If it’s not listed on our site, that doesn’t mean we can’t source it.
Fill out the quick form below and our team will track it down for you.


