never do it yourself. There could be ton of hidden damage, such as the inner panel and qtr panel flexing depending how fast the hit was. Have a reputable body shop take it apart. You get warranty on repairs for life if its a preffered shop with insurance company so you're covered
Just the ceramic coat? Or including paint correction?
a legit shop charges easily $3k for level 2 correction and cquartz finest reserve, at least around here they do
Just pull the window sticker by using the VIN. People easily buy PP2 take-off wheels and put a rear PP2 spoiler and call it a day. That's the only way to know for sure.
so basically no improvements in notchy shifting? I've heard mixed things on changing from DCT to another fluid. Although it may solve notchy shifting at lower speeds and cooler temp, due to lower or slippery viscosity, it may cause detrimental trans wear on the dog teeth at wide open and high...