roof rack

I have an 04 WRX and I would like to get a roof rack for my snowboards this winter. My only fear is that the attachments will scratch my car where they clip on by the door. Does anyone know anything about this that can assure me that it will not scratch the car, or any good suggestions of racks...

$750 OBO Sold the car so must sell the rack. Will Work with lots of models of cars, just need the right thule fitkit! (for example: http://www.orsracksdirect.com/thule-racks-fitkits.html) • Thule Roof Rack with two (2) Fork Mounted Bike Carriers and Snowboard Carrier o RB47 Rapid Aero Load...