Update: bought an ELM327 cable and it wouldn't even connect to TunerPro. The driver gave an error that it was phased out in 2012 or something. I did notice in the install instructions that the baud was 38? So I doubt it would have been really fast anyway...

This was the one...I'd stay away from it:
https://www.amazon.com/dp/B081S15H7R