ApplicationCompatible for Subaru IMPREZA WRX / STI EJ20 EJ25 engine 2002 - 2006 *Notice: All WRX Wagon engines and automatic sedan engines came with a TD04,all manual WRX sedans including STI versions had a TD05. If your old turbo is TD04 one, some modification is required to fit the new turbo.SpecificationExhaust Outlet Flange:5-Bolt Flange Exhaust Intlet Flange:3-Bolts Flange Turbine Side: Turbine Trim: 76.4 Turbine Housing: 7cm² Turbine Inducer Diameter:56mm Turbine Exducer Diameter: 48.96mm Compressor Side: Compressor Trim: 59.8 Compressor Inducer Diameter: 52.6mm Compressor Exducer Diameter:67.9mm Compressor Housing Inlet OD: 57.8mm Oil Feed: M10*1.5 Oil Drain: 2*M6*1.0 Water In/Out: M14*1.5 Turbine housing: 7cm² Compressor housing inlet OD: 57.8mm,ID:53.62mm Compressor housing outlet OD: 51.2mm,ID:41.2mm Bearing: Wet Float/Journal Bearing Cooling Type: Water + Oil cooled Thrust Bearing:270 degree Hosepower: Up to 420 HP Turbo Type:Individual Condition: 100% Brand New Package Size:30x 28x 24 cm Package Weight: 7650gPackage included1xTurbocharger 2xFlange gaskets 4xOil/Water port gasketsFeature* Product Material 1. Turbine housing ：Ductile iron QT450-10- temperature resistant up to 700℃ 2. Steel turbine wheel：K418 alloy -highoxidation stability and resistanceupto 900℃ 3. Compressor housing：ZL104 aluminum with lightweight 4. Compressor wheel/blades：Cast aluminium blades – superior air tightness & corrosion resistance * ProductPerformance 1. OEM-quality and size with little modification 2. Rich experience in turbo production and own factory 3. High-Speed oil seal ring and Precision clearance * Technology Advantage: 1. 100% balancing Test by TURBOTECHNICSVSR3 2. G3-min-Flow VNT Turbo testing 3.Advanced Actuator Tester/ProgrammerNote* Please confirm your original fitment before Purchasing * Professional installation is highly recommended * Before installing the new turbocharger, the cause that led to the failure of the turbo must be analyzed and eliminated (e.g. insufficient oil supply, foreign bodies in the intake area, crankcase ventilation without function, etc.)!