You just need there IAT cable, It's the same gauge. I still have the EGT stuff sitting at the house that I don't use since I already have a EGT gauge.

This is what you need for IAT'S You could actually put it on some kind of switch and go back and forth between the two readings. I got two pieces because 1.5m was not long enough for me.

K Type Thermocouple, Bare [TC-K5] - $6.44 : auberins.com, Temperature control solutions for home and industry

You can see mine mounted on my steering wheel colume