OK, maybe it wasn't a standard upgrade; however, one could get the "Premium Audio package, which had six speakers and an 80 watts per channel external amplifier."
And yes, the ECM was changed... dang, I read about that and I failed to mention that specifically ... kinda figured it was part of the rad & fan changes ; however, I did read that the radiators and cooling fans were changed to bigger units ... dunno about the direction of the fans although I've also read where folks have reversed them. I read a lot about this stuff .... suppose one shouldn't always believe in what they read eh?
As for lunch, it better not be in a doggie bag !