2019 GMC Canyon
Thats what I ment by remove it first. When I got the truck I though I just needed to wait till I removed the bed liner. After cutting and trimming to make the thing fit better I realized I could just cut off the back part that goes over it.just cut the lip off the bedliner, that is what I did with my previous Canyon, cut -off saw
I still think the seal that was linked above may work better then the one supplied with my cover. I can always give the supplied one a go first and replace if it does not work well.