I should be receiving my pod and 2 gauges today in the mail. I will update assuming the gauges I bought fit.
I will be using Zeitronix gauges for A/F and E85.
Link to Zeitronix boost gauge:
I am in no way affiliated with Zeitronics. It was solely a recommendation from a friend who uses their gauges in his CTS-V.
http://www.zeitronix.com/Products/ZR-2/ZR-2.shtml