I got them at Pepboys, the size 7 or 8 molded flaps, just look at the chart and see what fits the old expys.. Think they were 30 bucks, took about 40 minutes to put them on, had to take the wheels off to do it right. Ford makes some, but they are flat, not molded and I couldnt even find a set here in So Cal, Arizona was the closest...I may put them on the front too, we will see.