wah i propose u save the money give foreman do dun do it yourslef ...... some lines u can go but some lines its dangerous ..... if your can work half way but canot work out the other half way then how u let the foreman do ther other half ? ask the foreman go your house do ar ? ...... actually y u need 4 disc brake ?
my opinion, better send to mech and settle it la... this one not easy job ler.... even if have the tools, u need some necessary skills and experience from the mech...
It's not about Airtrek but more in general. My Airtrek comes with clear windows (local USF car), but I've tinted the rear doors, rear side panel and rear windscreen 75% tint. Using it for 4 years now, no problems...