Time for me to pack up my stuff and move from Florida to Canada. When I originally moved south I shipped my belongings using UPS. They DESTROYED my belongings and never reimbursed me a cent (international shipments are uninsured) . This time around, I decided to load up my worldly goods (not much) into my WRX wagon. I needed extra junk room so I started looking at cargo carriers. Being a complete newbie to the world of cargo boxes and roof-mount accessories in general, I found very little information so I've put up these pictures to show how these things work. In the end I picked a Thule Evolution 1600 over boxes from Yakima or other brands. I couldn't find any online reviews of the Thule boxes, so I'm hoping this post offers information to those interested in the Thule Evolution cargo boxes (WRX and non-WRX owners alike). Review is at the bottom.
Before you get your box:
Pretty much all cargo boxes attach to crossbars. If you have the Subaru factory crossbars they will mount fine. However, the factory bars are not the strongest bars around. They are limited to a 100 lb load (total), and the Thule 1600 cargo box is 39 lbs empty. I don't plan on putting heavy items in my box so I chose to stick with the factory crossbars, whose flat profiles result in less wind noise (but are weaker than the round bars from yakima or the square bars from thule).
If you plan on carrying heavier items, I'd recommend buying railkits and crossbars from Yakima or Thule. You don't want this thing flying off on the highway.
First you'll need to adjust your cross bars (most likely). Thule recommends you to install the box as far back as possible to reduce wind noise (and probably improve gas mileage). On the Subaru WRX wagon, you'll have no choice but to move the front crossbar as forward on the rails as possible, since the 1600 will interfere with the hatch opening (pics below). Adjusting the factory crossbars is easy, just unfasten each railfoot with the Subaru provided torx screwdriver (check your glove compartment). My recommendation is not to re-tighten the crossbars until you have adjusted the box to the way you want it.