Well you need to take the dash off first and then go buy some ABS plastic or use some plexi glass painted black on the back to fill in the corners. I would first cut out the guage if needed in the dash. Oh remove the back tray part first. Next cut the plastic or plexi to the size hole. It may need to be flexed to shape by a heat gun to fit up close to the panel. That is what I am going to go with mine when I install my EGT in there but honestly you will need to play around with ideas on how to make it look good. good luck
