Help with car audio setup?

I have a 2014 Ford Mustang. I'm planning on upgrading the audio though soon and I'm kinda new with upgrading my car audio. I was wondering exactly what I should be looking for when it comes to getting a more crisp, rich sounding audio and also a better punch when it comes to bass. *Lists are preferred!

Where can I buy these stripes?

I have a 2014 Ford Mustang and I'm just wondering where I could find these stripes? A website or could a body shop do them for me? Should I but some black stripes and then order red pinstripe tape? I see these on some cars but it's rare and it makes the stripes pop when it has that red outline. What can I do? Link of the photos are below
http://sdwrap.com/news/2017/5/24/mustang-gt

Get any rental car I want?

So long story short, God is good! Someone backed into me and they tried to say they didn't but it's all solved now and they're insurance company, State Farm, is taking full liability for it. My question is am I able to get any rental I want? Like a corvette for Challenger or something down that like? I'm located in Florida and I have a 2014 Ford Mustang that'll be in the shop for repairs. State Farm is contracted with Hertz Rental Center

Caught car keyer at high school. Am I aloud to press charges?

I drive a 2016 Ford Mustang and yes I know for a high school teen this is on the flashier sides of things. I purchased this car myself with money that I've gathered through day trading. Due to my suspicion I purchased a front and back dash cam because I thought someone might try to key it or to catch anyone doing any vandalism. I have the perps face on the cam clearly scratching my hood in broad daylight. Do I report to the principal, the police, or both? Thank you for your time and I promise I'm not a douche bag who revs their engine in the parking lot or someone who shows off. This was a gift for myself and my accomplishments. Thank you!

Added (1). Caught car keyer at high school. Am I allowed to press charges?

I'm in high school and about to get my first car looking for a loud, fast and good looking car

So far I have looked into ford mustangs, I have a choice between a 2007 ford mustang gt with a 8 cylinder motor with automatic transmission, or I can get a 2013 mustang v6. My question is which of the two cars is a faster and louder car cause I would like to show it off and have heads turn by its engine as I drive off on the street. Thank you very much

Added (1). about to get my first car looking for a loud, fast and good looking car?