1997-2004 C5 Removable Roof Panel Weatherstrip Blowout Clips for right hand or left-hand side out weatherstrip seal. These blowout clips attach to the side of the roof between the roof frame and the weatherstrip channel. They attach at the second screw from the front of the top panel. Blowout clips prevent the door glass from pushing outward when the window is rolled up and vehicle is at speed.