Bro, first thing you need to learn is how to search this website and read. That will answer about 99.9% of your questions right there and tell you where to get all of this stuff new for the same price as some people will charge used. It's to your advantage, so use it.
Trunk Lip spoilers can be had in OEM color paint on ebay for around $30-40. No joke match is immaculate and I've had one on my car for about 5 years so far and no issues.