There's a guy near me that has hits plastic parts (splitter/side rockers/rear) wrapped in carbon fiber. Other than the shop did a crap job on cutting the edges, it seems to hold on there just fine, and should look good if done be someone that knows what they are doing.
I didn't have to adjust mine at all. It was all perfect out of the box. Only thing I forgot to do was put the blue locktite on the bolts that go into piece that holds the arms that lock onto the tranny. The video is a little out of order so I'd recommend watching it all the way through and have...
Just finished my install. I'm a complete car noob, but I know how to use tools. Weirdest thing for me was hanging on the transmission to get certain pieces in and out. Took me around 8 hours just because I kept going back to the videos and triple checked everything. And it was a lot more cramped...