The transformation is about to begin! I managed to pick up a TD04 for cheap 
anyways, from what I've read an aero ECU is recommended but not 100% required. But after searching I haven't been able to definitively nail down what, if any, other parts are needed to swap out the GT17 for this. And is this a DIY job or best done by professionals?



anyways, from what I've read an aero ECU is recommended but not 100% required. But after searching I haven't been able to definitively nail down what, if any, other parts are needed to swap out the GT17 for this. And is this a DIY job or best done by professionals?