🔧 Product Description
The GFB Mach 2 T9133 TMS Diverter Valve is a high-performance direct replacement upgrade from Go Fast Bits, engineered specifically for Mitsubishi turbocharged platforms including the legendary **Mitsubishi Lancer Evolution X and earlier EVO models.
Built using proven TMS (Turbo Management System) technology, the Mach 2 delivers up to 30% faster boost recovery, stronger boost retention, and significantly improved throttle response compared to factory diverter valves—all in a simple bolt-on package.
⚙️ Key Features
- Part Number: T9133
- Inlet/Outlet Size: 33mm / 33mm
- Designed for EVO I–X platforms
- 100% recirculating (plumb-back) configuration
- Utilises GFB TMS technology
- Up to 30% faster boost recovery
- Direct bolt-on replacement – no modifications required
- Optional atmosphere conversion kit available
- Handles very high boost applications (virtually unlimited)
- Precision anodised aluminium construction
🏁 Performance Benefits
- ⚡ Faster return to peak boost after gear changes
- 🚀 Sharper throttle response and acceleration
- 🔒 Eliminates boost leakage from factory valves
- 🛠 Improves turbo efficiency and drivability
- 🔊 Optional sound upgrade with atmo conversion kit
Factory diverter valves often:
- Open too early under boost
- Leak under high pressure
- Reduce response in performance driving
👉 The Mach 2 eliminates these weaknesses with precision TMS control.
🔬 TMS Technology Explained
The Turbo Management System (TMS) ensures:
- Valve remains fully sealed under boost
- Instant opening on throttle lift
- Maximum air charge retention during shifts
Result: faster spool recovery, stronger mid-range response, and more consistent boost delivery.
🔄 Venting Options
- ✅ Recirculating (Standard)
- Quiet OEM-style operation
- Ideal for daily and tuned street cars
- 🔊 Atmosphere (Optional Conversion Kit)
- Aggressive blow-off sound
- No stalling issues due to TMS design
🚗 Vehicle Applications
Mitsubishi Performance Models
- Mitsubishi Lancer Evolution I – III (CC chassis)
- Mitsubishi Lancer Evolution IV – IX (CN9A / CT9A / CP9A)
- Mitsubishi Lancer Evolution X (CZ4A / CY / CJ)
- Mitsubishi GTO / 3000GT VR-4
- Mitsubishi Eclipse 2G Turbo
- Mitsubishi Galant VR-4
- Mitsubishi Legnum VR-4
- Mitsubishi Ralliart models (4B11T)
Other Platforms
- Dodge Stealth AWD Turbo
- Subaru Liberty / Legacy GT (selected turbo models)
🔩 Specifications
- Product Type: Recirculating diverter valve
- Part Number: T9133
- Inlet/Outlet: 33mm / 33mm
- Technology: TMS (Turbo Management System)
- Venting: Recirc standard / Atmosphere optional
- Fitment: Direct bolt-on
- Boost Capacity: Virtually unlimited
- Brand: Go Fast Bits (GFB)
🛠️ Installation Notes
- Direct replacement for factory diverter valve
- No fabrication or adaptors required
- Optional atmosphere kit can be added anytime
- Ideal for OEM and tuned EVO applications
💡 Why Choose the Mach 2 T9133?
If you want:
- A reliable OEM+ upgrade for EVO platforms
- Noticeably improved boost recovery and response
- A simple bolt-on solution with optional sound upgrade
👉 This is one of the most effective diverter valve upgrades for Mitsubishi turbo engines.
🏆 Perfect For
- Mitsubishi EVO enthusiasts (I–X)
- Street and track builds
- Turbocharged AWD performance cars
- Drivers wanting fast spool recovery + reliability
✅ Summary
The GFB Mach 2 T9133 TMS Diverter Valve is a proven performance upgrade delivering faster boost recovery, improved throttle response, and rock-solid reliability for Mitsubishi EVO platforms. With its direct bolt-on design and flexible venting options, it’s the ideal upgrade for serious turbo performance.
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