Yup 45mm 1.77"
THe only company i know that carries 45mm gauge are:
Omori and AWE
The reason why i want 45mm is b/c i recently stepped into the Audi world and they have this vent pod where the boost gauge goes into but its only for 45mm gauge.
Omori and AWE gauge goes for approximately $250 with the pod....
coming from a honda owner i would never pay more than $100.
I was hoping to find another company that makes the smaller gauge for a cheaper price....thanks for the help