Not sure about that yet. I posted a picture of one installed. I also posted a full image with extensions and an image without extensions. I don't like the way the step goes under the truck bed, now it looks awful, I don't like the look of that huge block when the step is open. With a normal top stage you don't even realize it's there, with extensions you see the whole stage even if the top stage loses the purpose of the amp stages entirely. You'd think that for something that costs $125 they'dβ¦