Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Air and Fuel› Superchargers, Turbochargers and Components
Go Fast
Mach 2 Diverter Valve
SKU: T9111
Easy — 1–2 hours
Overview
This valve is capable of handling upwards of 110psi and is configured for full recirculation, with an optional atmospheric conversion kit available separately. It is compatible with vehicles that use a factory-installed hose-type flange or flange-mount pneumatically actuated bypass valve.
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Vehicle Symptoms
- Fluttering or chirping noise under boost
- Loss of boost pressure
- Sluggish acceleration
- Check engine light on
- Hesitation when shifting
Diagnostic Codes
- P0234 – Engine Overboost Condition
Relevant Conversations
- GFB Mach 2 vs Forge diverter valve
- How to install GFB T9111 on WRX
- Boost leak symptoms after turbo upgrade
- P0234 engine overboost condition fix
- Recirculating vs atmospheric BOV
- GFB Mach 2 T9111 review
- Diverter valve replacement cost
- Best diverter valve for high boost
- GFB Mach 2 install guide
- Car fluttering under acceleration
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Go Fast |
| Part Number | T9111 |
| Category | Air and Fuel |
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