Mine have bent up into the door swing out area on more than a few occasions, so watch out for that. When i contacted MetalTech they told me "flexing was normal as to not rip the bolts out of the frame." Now, I understand that to some degree, but when I can't jack my vehicle up from the sliders with a HiLift without the sliders flexing permanently into the path of the door swing, that's a huge problem. Just an FYI