@voice-of-reason Thanks for the response!
The RMI very well may not-- I haven't checked any source documents, I was just basing it off the included manual (p.30 in the printer friendly version described a flag).
MSFS does have a Total Air Temperature value integral to the sim that does calculate the ram air temp:
From the SDK:
TOTAL AIR TEMPERATURE Total air temperature is the air temperature at the front of the aircraft where the ram pressure from the speed of the aircraft is taken into account.
Feel free to pass that along-- I'm not sure how the values match up to the IRL TBM's temps.
Thanks again!