Tomei ARMS MX8265 Turbo - Subaru Models (inc. 2002-2007 WRX / 2004+ STI)

Billet design is a major improvement over traditional cast compressor wheel
Machined from aerospace grade materials
Thinner blades with a larger surface area for improved airflow and turbo spool
Multi-Rate Billet Actuator
Large capacity
Reinforced forged billet construction
Includes 6 springs for fine boost adjustment
Swivel-type nipple allows more room for routing hoses
Supports up to 450 HP
Additional info:

Journal bearing
Compressor wheel inducer: 54.8mm
Compressor wheel exducer: 76.2mm
Compressor wheel trim: 52
Compressor wheel blades: 6
Compressor housing inducer: 55.8mm
Compressor housing exducer: 41.5mm
Compressor housing A/R: 0.78mm
Turbine wheel exducer: 58.8mm
Turbine wheel inducer: 67.0mm
Turbine wheel trim: 77
Turbine wheel blades: 11
Turbine housing inducer: 45.0mm
Turbine housing exducer: EJ
Turbine housing A/R: 0.57mm
NOTE: A silicone inlet hose is needed when using this turbo as the inlet is slightly larger than stock.