Yes, the official SEAT roof bars mount using the screw hole above the front doors, and then clip on to the rear at the points marked by small ^ arrows on the rear windows. I don't know about the Thule bars though whether they'd fit in the same way or not. I do however have a set of unused SEAT roof bars that you can have for Â£80 + p&p if your interested? PM me if you want them/more info on them.
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