The Auto Meter Pillar Gauge Pods for the Scion tC easily allow you to add 52mm gauges to your interior without any major modification. The units mount to the driver side A-Pillar and puts your gauges in clear view. You can choose between the dual pillar or the triple pillar unit depending on how many gauges you are using. For your Scion tC, these pillars install in under 10 minutes with minimal tools.