Tomei ARMS T440M Turbo Kit Subaru Impreza WRX Forester EJ – 173030

Tomei ARMS T440M Single Scroll Turbo Kit

Product Information

Key Features

• Direct bolt-on turbocharger upgrade
• Designed for Subaru EJ single-scroll applications
• Forged billet compressor wheel improves efficiency
• Reduced surge characteristics for AVCS-equipped engines
  

Vehicle Compatibility

• Subaru Impreza WRX GDA – EJ205
• Subaru Impreza WRX STI GDB – EJ207
• Subaru WRX STI GR/GV – EJ257
• Subaru Forester SG9 – EJ255
• Suitable for EJ205, EJ207, EJ255 and EJ257 single-scroll applications
• Compatible with selected EJ22 and EJ26 stroker builds

Performance Characteristics

• Optimized for tuned EJ25 and stroker engine combinations
• Maintains boost pressure at high RPM where factory turbochargers typically taper off
• Strong acceleration from mid-range to redline
• Balanced street and motorsport performance characteristics
• Suitable for circuit, drag racing, and time attack applications

Important: GD-series Impreza and SG9 Forester applications may require a Tomei turbo suction hose. Certain GDA and SG9 installations may also require Subaru intercooler duct part number 21830AA102. Professional installation and ECU tuning are strongly recommended.

Package Contents

• Tomei ARMS T440M Turbocharger
• Reinforced Actuator
• Installation Gaskets and Hardware
• Manufacturer Documentation
• Manufacturer Packaging.