my boss just gave me thule roof racks that came off of his WRX, so I know I need to get the Thule fit kit 109, but Im really going crazy with how to fit the back bar onto the car, since I dont have a 2nd door to put the clip in. Do I have to screw it into my car? or get one of those small car conversion bar things? and then I dont know if I have the right feet to do that?! Im leaving for Colorado on Sunday so I need to know now!!
Thank you

 

For 2 dr cars they have the extension bar part number 477. It lets you put all the feet on your front doors and extends out for the other bar to attach onto.
I found mine on Craigslist. just look up "477" $50 used
Also look up your car on the Thule website and you can find pdf installation instructions under -fit guide -base racks -your car -109 foot pack details -important fit tips -save.