[hat_man]

My computer is down and I'm not sure how to upload pics from my tablet so please bear with me.

I have seen newer vehicles with a Kammback (if that is the right word) spoiler mounted along the roofline above the rear windows. Some are flatter (like a Jeep Cherokee) and some are more "curled" with what I can only describe as inverted winglets (like a Ford Focus). I have seen the chart showing truck bed aerodynamics and wondered if I could adapt something from another model vehicle to the cab of my Ranger. I already have a tonneau cover and the chart showed a pretty significant improvement with the addition of a spoiler.

The question is what type spoiler would I look for? The flat style or one with the downward curved edges?

It'll be a small miracle finding something that fits the shape of my cab anyhow, so it may be a moot point. I'm thinking the flatter style would be easier of the two to adapt though.

Any thoughts?