Turbosmart Supersonic Blow Off Valve
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Turbosmart Supersonic Blow Off Valve - Mazda3 MPS / Mazda6 MPS / CX-7 / Subaru WRX (GE/GH) / Forester / Liberty
This vehicle-specific Turbosmart BOV5 Supersonic bolts on with its own flange. The Turbosmart BOV5 is a 38mm positive-seal piston valve built on Turbosmart's Boost-Balance design, so the more boost it sees the better it seals. It is machined from billet aluminium and hand assembled with a precision-matched piston, with every valve tested before dispatch. The Supersonic is fully vent-to-atmosphere, using a single large trumpet for maximum flow and sound.
Note: As a 100% vent-to-atmosphere valve, Turbosmart advises it is better suited to vehicles without an airflow meter - check with your tuner. Vehicle-specific valve for Mazda 2.3L turbo models and selected 2003-2014 Subaru models. Installation by a professional is recommended.
What's Included
- BOV5 Supersonic valve assembly
- Vehicle-specific flange and gasket
- Yellow spring, -22 to -20 inHg (installed)
- Turbosmart decal
Need help confirming fitment? Contact our team at sales@chicaneaustralia.com.au.
Vehicle Compatibility
| Make | Model | Chassis | Engine |
|---|---|---|---|
| Mazda | Mazda3 MPS | BK | L3-VDT 2.3L Turbo |
| Mazda | Mazda3 MPS | BL | L3-VDT 2.3L Turbo |
| Mazda | Mazda6 MPS | GG | L3-VDT 2.3L Turbo |
| Mazda | CX-7 | ER | L3-VDT 2.3L Turbo |
| Subaru | WRX | GE/GH/GR/GV | EJ255 2.5L Turbo |
| Subaru | Forester XT | SH | EJ255 2.5L Turbo |
| Subaru | Liberty GT | BL/BP | EJ20 2.0L Twin Turbo / EJ255 2.5L Turbo |
Technical Specifications
| Spec | Value |
|---|---|
| Brand | Turbosmart |
| Series | BOV5 (Type 5) |
| Piston | 38mm positive seal |
| Construction | Billet aluminium |
| Features | Boost-Balance design |
| Style | Supersonic (vent to atmosphere) |
| Flange | Mazda / Subaru vehicle-specific |
| Installed spring | Yellow, -22 to -20 inHg |
| Colours | Blue, Black |
| Part numbers | TS-0205-1309 (Blue), TS-0205-1310 (Black) |

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