southern california shops?

I'm looking for any performance shops in the L.A. area that not only sell stuff but install it to. I only know of one good sized store and its in Azusa (CNC Motorsports) but they don't install anything there. I have an underbody kit specifically and some other stuff i want worked on and i don't feel like doing it myself so i'm just looking for a place that has their own garage in the Pasadena area, anyone?