🔧 Product Description
The GFB DV+ T9354 Diverter Valve is a high-performance, OEM-style upgrade designed for turbocharged Ford, Volvo, Porsche, and Borg Warner applications where quiet operation and maximum performance are the priority.
Built as a direct factory replacement, the DV+ T9354 retains the OEM ECU-controlled solenoid system while upgrading the weak internal valve components to precision-engineered metal construction. The result is a stronger, more reliable diverter valve with significantly improved boost control and throttle response — without adding any blow-off noise.
⚙️ Key Features
- Direct-fit OEM replacement diverter valve
- Retains factory ECU-controlled solenoid system
- Replaces weak diaphragm/plastic internals with billet metal components
- Designed for fully recirculating (silent) operation
- Patented TMS (Turbo Management System) technology
- Adjustable spring preload for fine-tuned response
- Precision-machined aluminium and brass internal construction
- No springs or periodic rebuilds required
- Designed for long-term high-boost reliability
🏁 Performance Benefits
⚡ Faster Boost Recovery
Reduces time to peak boost by up to 30% during gear changes using TMS technology.
🚀 Sharper Throttle Response
Improves transient response during throttle lift and reapplication.
🔒 Eliminates Boost Leaks
Solves common OEM diaphragm failure issues under high heat and boost.
🛠️ Improved Durability
Metal construction resists heat degradation and pressure fatigue common in factory valves.
🔬 TMS Technology Explained
GFB’s Turbo Management System (TMS) improves valve behaviour by:
- Maintaining valve stability under boost
- Allowing controlled, progressive opening under throttle lift
- Improving airflow transition during gear changes
- Reducing compressor surge and recovery lag
👉 Result: faster spool recovery, improved drivability, and consistent boost delivery — without introducing blow-off noise.
⚙️ Engineering Overview
The factory BPV systems used across many European turbo engines have two main limitations:
- Heat exposure at the compressor housing leading to diaphragm fatigue or rupture
- Binary operation (open/closed only) resulting in poor modulation during throttle transitions
The DV+ T9354 solves both issues by replacing the internal valve mechanism with a precision-engineered metal assembly featuring controlled spring preload. This allows the valve to operate more progressively under real driving conditions, improving response and stability.
🚗 Vehicle Applications
- FORD Falcon FG / FGX EcoBoost 2.0L
- FORD Focus XR5 / RS 2.5L Turbo (Mk2)
- FORD Focus ST 2.0L EcoBoost
- PORSCHE 911 (997 Twin Turbo models)
- VOLVO C30 / C70 / S40 / V50 2.5T Turbo platforms
🔩 Specifications
- Product Type: OEM Replacement Diverter Valve
- Model: GFB DV+ T9354
- Operation: Fully Recirculating (Silent Performance Setup)
- Technology: TMS (Turbo Management System)
- Construction: Billet aluminium & brass internals
- Fitment: Direct bolt-on OEM replacement
- ECU Compatibility: Fully retained factory control
🛠️ Installation Notes
- Direct replacement for factory bypass/diverter valve
- No ECU tuning required
- Retains OEM solenoid and vacuum control system
- Suitable for stock and modified turbo applications
- Designed specifically for recirculating (non-atmospheric) setups
💡 Why Choose the DV+ T9354?
If you want:
- OEM-like quiet operation
- Stronger boost control under load
- Faster throttle response without added noise
- Improved reliability over factory BPV systems
- Simple bolt-on installation
👉 The DV+ T9354 is the ultimate “no noise, no compromise” performance upgrade.
🏆 Perfect For
- Daily-driven turbo vehicles
- OEM+ performance builds
- Tuned EcoBoost and turbo Ford platforms
- European performance cars requiring silent operation
- Drivers wanting performance without blow-off sound
