Thanks for the clarification, LMR came out with 20s not long ago so at least they exist for those who want them. Is there any reason to go for 19s other than 2-3 pounds and personal preference?
5 x 114.3mm, 19 x 9.0 45mm, 70.5mm bore
Some 18s do fit over the PP brakes, not all so research before buying.
Offsets lower than 45mm will push the wheel outwards so it will fit up to a point depending on the look you are going for.
You will need centering rings if your wheels have a larger...
They've made a few revisions to their design to fix multiple problems. Don't know if they are all fixed so I just bought a pair from ebay that have the correct lighting pattern.
Some dealers don't want to sell them so they can overcharge you for the programming service I guess. Good dealers sell them thought and I've found it's the cheapest place to get them. Amazon is close second.
Also don't confuse that reset tool and an actual TPMS programmer, which is worth...
Have you tried your dealer? I bought one of those OEM one green button programmer for like 30$ (CAD) from Ford when I had my F150. Worked on a few other cars can't imagine it wouldn't work with Mustangs.
The factory oil "coolers" that use coolant are also meant to improve fuel consumption by heating the engine up faster, that's why you see them on smaller "economy" engines.
I know it has been a while, have you been able to sell your kit yet? If you still have the AP I'd be glad to take it off your hands. I've decided to go with other brands for the other parts thought.