The P3 vent-mounted Digital Interface gives you: 0-60, boost pressure, mph, air-intake temp, oil temp, coolant temp, exhaust temp, ignition, throttle percentage, volts, and tach – all in one unit. It comes pre-mounted in a brand new A/C vent, so you don’t have to retrofit & risk damaging the original vent. And it plugs directly into your diagnostic/OBD plug, making installation take all of about 5 minutes – requiring ZERO drilling/cutting/splicing/cursing. It can also be used to clear check engine codes. Install videos are available on their site specific for every application. These are currently available for the FRS/BRZ, and popular European models. ~$380. More info & demo video here.