Here is the "Old School" side of me. A pillar gauges, love the look, always have always will. The livewire has the display and all, but for me it would be the X3 Tuner and Gauges from Autometer. After your done tuning unplug it and put it under the seat or some where out of site, then you have a...
SCT is a great "bang for the buck" and you dont have to get additional gauges if you use the Livewire Tuner. You will just need to get a boost sensor and EGT Kit. Here are two links the first is for the X3 (hand held) and Livewire (Live Display) tuners and the second link is for the EGT kit...