【Fitment 】: Compatible for Subaru IMPREZA WRX / STI EJ20 EJ25 engine 2002 - 2006. Cost-efficient replacement turbo can boost horsepower up to 420BHP
【Cooling Type】: Water & Oil cooled.
【Upgrade Version】: TD05-20G Turbo replaces the TD04 for a TD05H turbine wheel, enlarges the turbine housing area to 7 square cm to improve the exhaust efficiency, thus gain more power than the stock turbo
【Specificatons】: Oil Feed:M10*1.5 ; Oil Drain:M16.8 ; Oil Drain Screw:2*M6*1.0 ; Water inlet/outlet:M14*1.5
【Notice】: All for WRX Wagon engines and automatic sedan engines came with a TD04,all manual WRX sedans including STI versions had a TD05 model. If your original turbo is TD04 model, some modification(connections, bolts, fixed screws etc.) is required