Application Compatible for 1.5L to 2.5L any 4/6 cylinder engine Maximum PSI 18(1.2 Bar) Specification Exhaust (Turbo Manifold) Flange:T3 T4 4 bolt Flange Patterns Exhaust (Downpipe) Flange:V-Band Flange Cooling Type: Oil Cooled Wastegate: Internal Wastegate Horse Power: Boost Horse Power up to 420HPCompressor: Trim:44 Inducer Diameter:50.5 mm Exducer Diameter:76 mm A/R:0.5 Turbine: Trim:73 Inducer Diameter:65.5 mm Exducer Diameter:55.9 mm A/R:0.63 Oil Inlet: M12*1.25 2*M8*1.25 Oil Outlet: 2*M8*1.25 Condition: New Bearing Type: Floating Bearing Warranty: one year Accessories: You will get exactly as shown in the picture above Turbo Boost Controller Allows adjustable boost psi settings, light weight design to be mount under the hood. Hardware is included Adjustable boost knob increases horsepower & torque, depends on boost level. Universal fitment & great for all Turbo applications CNC Machined Aluminum Body 1-30 PSI Adjustable Notice* Professional installation is highly recommended (No Instruction Included).* For any needs please contact us.* Replace, repair or reconnect air cleaner element per manufacturer's manual to avoid compressor wheel damage.* Make sure the oil drain line is lower than the turbo itself.* Gasoline car must install a water cooling device to avoid overheating.* Ensure exhaust outlet are well sealed by welding.