Sweet new purchase:

NYSpeed Automotive
3

Now fab a meower in place of your horn.

edit: also, other accessories for your liking:

http://www.tuneshops.org/moblog/photos/39198C24-A5E3-E002-645F728F37BCD48B.jpg

http://www.customlabels4u.com/images-decals/hello-kitty/car-sample.gif

http://cache.gizmodo.com/gadgets/images/HelloKittyTRFinalsmall.jpg