I am retired and have lots of free time. I use Turtle Wax "1 and Done" ceramic that has a light abrasive in it to help polish out the imperfections, then two days later apply their Max Graphene. Is it the best ceramic, no, but it is relatively easy to use. relatively cheap and my cars look...
Take the tire, brand, size and model, then go to the tire manufacturers website and look at recommended wheel width. I would not depend on what people think, I woulnd depend on what the manufacturer says.
I bought this kit. Comes with everything you need,
https://www.automotiveauthorityllc.com/products/spare-wheel-and-tire-kit-for-2015-2017-ford-mustang-gt-with-brembo-brakes?variant=44013419626753
Spagettir101, I used the one with the Yellow Top battery since the OE battery is AGM and made for cycling. DH doesn't have start stop, but it has the same battery as the start stop vehicles. With proper maintenance, that battery should last a long time in just a starting application.
I have used BMR on my s550 and was very happy with them, so I bought them for my DH. Installed and it made almost no difference in ride height. I called BMR and they said that if I have the Performance Suspension, it is already lower and that is why it made almost no difference.
The owners manual tells you how to change the cabin filter and you have to remove the glove box to do it, so a step by step process is in the owners manual.
I wanted a C8, but dealer were playing games so I bought another Mustang. Plus it has a backseat, granted, not much of one, but it does have one. I can afford the BMW, but I can't afford to own it when the warranty is up.