I just checked out a YouTube video because I've never seen caliper covers in person let alone installed. It looks easy to put them on so I don't know why you would pay someone to do it.
With that out of the way I think it looks extremely tacky and you will probably catch grief over it. Good luck and post pics of your new brembos!
Just don't do it, it's your car in the end but putting red (I am going out on a limb and assuming they're red) caliper covers usually detracts from any other visual enhancements you may get on your car in the future. Think of them as as fake PepBoys style fender vents.
Might as well use caliper paint which will actually look nice. I recommend black.