This Borg Warner EFR7163 is a key element to the build, everything for the motor has been built to work with this turbo in and effort to enable it to flow to its maximum potential.
Military-grade dual ceramic ball bearing assembly with silver plated metal cage
Stainless steel turbine housing
Water cooled light-weight Aluminum bearing housing
Large internal wastegate (optional)
Compressor recirculation valve (aka BOV)
Boost control solenoid valve
T25, T4 and V-Band Turbine Housing options to fit a variety of installations
Between the recirculation valve and the internal wastegate it make the cost of this turbo a steal, giving you all the pieces to the puzzle in one compact piece.
Now one of the best ways to allow the Borg Warner EFR turbo to flow is to attach a Full-Race Motorsports Header and Uppipe.
As you can see the header is a work of art and with the Full-Race quality it is hard to imagine going with any others.