Yeah, SHO Shop will do an install. However, based on my experience with the parts I received from them (mostly OK but a few details overlooked),the stories about bad y-pipe bends, and the fact that they didn't actually do my work, I will neither recommend or advise against going to them, just say buyer beware.
The only reason I know my guy is OK (and would recommend them to anyone near Philly that doesn't want to ship a trans to Rockford, Michigan) is that he passed the "Terry, do these guys have a clue?" test. If I had to do it all over again, I would have just sent it to Terry and slept well at night.