Roof Rack on a 2 door Grand Prix

[lionsphan]

I'm looking to put my cargo box on the top of my 2000 2 Door GT. I need a crossbar system. Has anyone had any luck doing this?

 

[bustaphoto]

All the ones I have seen are they type that grab onto the doors or windows, The best I had seen bolt up but you have to drill holes into your door well, that always made me nervous. https://www.carid.com/2003-pontiac-grand-prix-roof-racks/sportrack-frontier-roof-rack-44005660.html