I use/have used Super Tech off and on for some years ... my engines never sound any different compared to other brands I've tried.
Although I do try to buy PP, Edge and M1 when on clearance.
Nice car! I wish my white 2008 looked that nice.
I may try that method of doing ATF ... that plastic shield is no fun to remove to do drain and fill.
What size tires do you run 225 or 235-45-18? I just picked up some gunmetal HFP 18's I am going to install soon.
Do you swap between 0w20 and...