Hey guys list some things that will void your "bumper to bumper" waranty

heres a few things i would like to know, and a few things that i think will void the waranty.(of course we all know that TRD, LTUNED, and LSPORTLINE will not void the waranty)

replacing an alternator for an HO alt????
adding supercharger/turbo(s)....void waranty
adding torque converter....void trasmission waranty???
adding air intake......not sure
changing springs....void waranty
adding audio system....??????
body kits........???


guys add what you think will void your waranty or things that will not, im wanting to change alot of electrical things, but i want my waranty to stay with me to the end.

 

i believe just about any modificatinos will void warranty, my friend hes leasin his car and he wont even put HID in his car because it will void warranty