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Thule XXL roof box

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What do you mean by "fit?" It will attach to the crossbars, but might overhang the roof more than you want.
I have a Motion XT L, and it fits well, but I don't have any pics. Looks like the XXL is 14" longer, and comparing the pictures, it looks like the added length is split evenly F/R. I feel like seven inches more is too much at both ends.
 
M3 Roof Box .jpeg
Fits just fine

Thule force xt xxl on telsa model 3
Is the box horizontal?
I noticed on my Model 3 that the front bar is about one inch lower than the rear bar.
 
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