You could definitly install it your self.
The dash kit is just a bunch of stick on peices. All you have to do is peel the back off, center the peice, and press down.
the have a 'sticker' dash kit of fake carbon fiber (more of an overly, rather than a real sticker)
but there is also a real carbon fiber dash made by ipt motorsports: http://www.iptdashkits.com/00celicacarbon.html
for more info, here's a link to a thread that should help: https://www.celicahobby.com/ubbthrea...#Post1869768131
the info you are looking for is a little further down the thread.
for more info on the overlay (sticker) fake carbon fiber dash, here is a thread you may want to check out: https://www.celicahobby.com/ubbthrea...part=1&vc=1
billy (vsgts14) has the overlay fake carbon fiber dash kit, you can send billy a pm
for more questions