The install involved some cursing, a few broken nails and an impact wrench. I have a 2013 SR5 premium, when I initially lined up the rails with the frame, the angle ran into the body of the car. Apparently, you have to remove the side valences (idk what they're called really) in order to install. I couldn't find any videos on install for the 4Runner, only Tacomas, so figuring that out was interesting. It gets 4The install involved some cursing, a few broken nails and an impact wrench. I have a 2013 SR5 premium, when I initially lined up the rails with the frame, the angle ran into the body of the car. Apparently, you have to remove the side valences (idk what they're called really) in order to install. I couldn't find any videos on install for the 4Runner, only Tacomas, so figuring that out was interesting. It gets 4 stars because of those little nitpicky things. stars because of those little nitpicky things. Ready for my trip to Moab