Welcome to 6mt newbie.
short answers: no they won't freak out if they see mods. the new parts will void the warranty for the part itself. hypothetically speaking, it's like if you replace the stereo, if something goes wrong with it or it affects the stock bose speakers, they won't take responsibility.
search and ye shall find. I asked the very same question months ago:
http://6mt.net/forum/showthread.php?...ght=dealership
By the way, what does AI stand for? Allen Iverson? Artificial Intelligence?