Here's one of the main reasons.
7.87 Pass With Supercharged SBF ‘Stang
If it can provide tuning for a Mustang like this, it can tune my car with ease.
I realize that it is not inexpensive, but take a look at the bottom of the article in the link above and compare it to the cost of other options for tuning a vehicle of that caliber.
Also, just look at what the AFM PMS will Tune
and check out the Recording Software
that works with a laptop or Data Recorder
that works without a laptop, that's available to work with the PMS
The recording software and a laptop will provide you with a real time User Customizable Dashboard
of your operating system parameters. I don't know what you might think, but to me that's just