GFB T9103 Mach 2 TMS Recirc Diverter Valve for 2002-2022 Subaru Turbo Models

Vehicle Fitment

• 2001-2007 Subaru Impreza WRX/STi (GD/GG, EJ20/EJ25, AWD)
• 2001-2004 Subaru Impreza WRX (Bug-eye, EJ20)
• 2006-2007 Subaru WRX (Hawkeye, EJ25)
• 2005-2008 Subaru Forester XT (SG, EJ25, AWD)
• 2002-2022 Subaru WRX/STi (GD→VA, EJ20/EJ25, AWD)
• 2003-2022 Subaru Legacy/Liberty GT (including GT spec.B, EJ25, AWD)

Features

• 100% recirculating configuration - no sound, pure performance
• TMS technology for up to 30% faster boost recovery
• Pressure-balanced piston resists unlimited boost
• Direct bolt-on - no adaptors or tuning needed
• Single outlet avoids compressor surge
• CNC-machined 6061-T6 aluminium with anodised finish
• ISO 9001-certified Australian manufacturing
• Handles over 100 psi without leakage

Specifications

• Valve type: recirculating diverter valve (Mach 2 design)
• Material: CNC 6061-T6 aluminium, black anodised
• Weight: ~0.56 kg; dimensions approx 5.4 x 19.5 cm :contentReference[oaicite:11]{index=11}
• Valve design: single piston, balanced pressure
• Boost holding: effectively unlimited (>100 psi) :contentReference[oaicite:12]{index=12}
• Includes flange gasket and Allen key for installation

Included Components

• 1x T9103 Mach 2 TMS valve assembly
• 1x mounting gasket
• 2x mounting bolts (OEM spec)
• 1x Allen (hex) key

Product Description

The GFB T9103 Mach 2 TMS Diverter Valve is a 100 % recirculating, high-performance valve engineered for turbocharged Subaru models from 2001 to 2022. It replaces restrictive OEM bypass valves with a piston design featuring GFB's Turbo Management System, enhancing throttle response and delivering up to 30 % quicker boost recovery during shifts - all while holding unlimited boost pressure without leakage.

With CNC 6061 aluminium construction and ISO-certified quality, this plug-and-play valve installs easily using existing flanges and hoses. The recirculating setup ensures silent, stealthy operation, ideal for vehicles where performance is wanted without aftermarket noise. Installation requires simple bolt removal, gasket replacement, valve install, and vacuum reconnection.