GT550 turbo charger .82ar

Intake :4 inch
Outlet: 2.5 inch
Compressor trim: .70 ar
Compressor Wheel diameter: 61.40 / 81.99
Turbine wheel diameter : 65.15 /  55.99
Exhaust trim: .82 ar
Turbine flange type: t3 flange
Downpipe flange type : 2.5 v band  downpipe flange
Twin scroll turbine housing (quicker response then single exhaust outlet )
Cooling type: oil and water cooled
Horsepower rating: 400-550hp

1 year warranty (must be installed by certified mechanic)