GM needs to work on their engines... Chrysler's global 3.5 liter makes 250ish hp/torque w/o a supercharger

I've been looking for options to cover the hauling area when the rear seats are up, and I was wondering if anyone knew of a cover that would fit over the back to cover the contents, much like this picture in a Rav4.Does anyone know if there is one available or if it is possible to make something lik...