I put them on myself. Really simple install. If I recall correctly the fronts utilize the wheel well splash guard bolts and the rears were self tapping screws. The holes in the fender flares have pre-drilled holes in them. There is a 3M rubber piece that goes on the flare to protect the paint. The adhesive side attaches to the fender flare not the fender.
They are a really good fit. I've had them on for a little over a year now and they don't flex or move at all at speed and they fit with zero gap between the flare and the fender.
Excellent!!!!!!
thank you very much!