Hybrid T9201 Dual Outlet Diverter

🔧 Product Description

The Hybrid T9201 Dual Outlet Diverter Valve from Go Fast Bits is the modern evolution of the original dual-port blow-off valve, designed for a wide range of Subaru turbocharged platforms, including the Subaru WRX GRB, Subaru Legacy GT BP, and Subaru Forester XT SH.

It combines OEM drivability with performance-focused venting control using the proven Hybrid TMS dual-port system, delivering improved boost management without sacrificing reliability or sound.

⚙️ Key Features

• Part Number: T9201
• Dual outlet staged venting design
• Configurable:
  • 100% recirc
  • 50/50 split
  • 100% atmosphere
• Prevents stalling and compressor surge
• Direct bolt-on replacement for OEM valve
• Proven Hybrid TMS technology
• Compatible with Subaru EJ turbo platforms
• Precision-machined aluminium construction

🏁 Performance Benefits

⚡ Balanced Boost Control

The Hybrid system uses two staged ports:

• Recirc port opens first → maintains airflow stability
• Atmosphere port opens second → adds audible blow-off sound

🚀 Improved Drivability

• Reduces throttle hesitation
• Prevents turbo compressor surge
• Maintains smooth airflow during gear changes

🔊 Flexible Sound Output

• Quiet OEM-style operation in recirc mode
• Aggressive turbo sound in atmo mode
• Best of both worlds in 50/50 configuration

🔬 Engineering Background

The Hybrid line was originally developed by John Adrian, becoming the world’s first dual-outlet blow-off valve. It later inspired the development of:

• Respons TMS (vent bias adjustable system)
• Deceptor Pro (electronic control system)

Its innovation was globally recognised when awarded a SEMA Show 2017 Global Media Award, highlighting its impact on forced induction technology.

🚗 Vehicle Applications

• Subaru WRX GRB (MY08–11)
• Subaru WRX GE/GH (MY08–14 chassis variants)
• Subaru Legacy GT BP (MY03–09 EJ20/EJ255)
• Subaru Forester XT SH (MY09–12 turbo models)
• Subaru GT BL/BP EJ20T / EJ255 variants (MY03–09)

🔩 Specifications

• Product Type: Dual outlet blow-off / diverter valve
• Technology: Hybrid TMS staged venting
• Venting Modes: Recirc / 50-50 / Atmosphere
• Fitment: Direct bolt-on OEM replacement
• Material: CNC-machined aluminium
• Brand: Go Fast Bits (GFB)

🛠️ Installation Notes

• Replaces factory diverter valve directly
• No modification required
• Vacuum/boost lines connect to OEM-style ports
• Venting mode configured during installation

💡 Why Choose the T9201 Hybrid?

If you want:

• A factory-friendly upgrade with performance benefits
• Better throttle response without drivability issues
• Optional turbo sound without sacrificing reliability

👉 The T9201 is one of the most balanced Subaru Hybrid valves in the range.

🏆 Perfect For

• Subaru WRX and STI street builds
• Legacy GT turbo owners
• Forester XT performance upgrades
• Drivers wanting sound + smooth drivability together