Rubber strips in roof bars, do i remove them when i fit the box?

t slot rubber strip   Dan t slot racks

High quality EPDM dense rubber insert cover strip extrusion for Thule and Rino roof rack rail systems Manufactured for better than original fit, finish,

wood door seal strip wood door rubber seal strip - Wooden door seal JM T Slot Cover Strip for Slot 6810 Profiles Part# PXC-6 for slot 6 Thule Caprock cover strip - Durable rubber coverstrip used to cover the open T-slots on the crossbars of Thule roof racks and Thule roof platforms

slot 169 I do not want to cut the rubber at all as I have many accessories I also don't think it is wise to remove the Buy 135M Door And Window Sealing Strip Aluminum Alloy Fixed Glass Gap Three T Type Fill The Card Slot Rubber Strips Windproof at Aliexpress for