Get a junkyard tranny, mazdaspeed revised LSD (weld it), and GTX gears. ull b all set. thats what im doing at least. Are you doing anything with the Intake Manifold? I hear mixed things about using VRIS with boost. I just got my megasquirt up and running a month ago. Night and day difference vs a safc or fmu. Lemme know if u if u need any help when you get around to installing yours.