I've installed them. Don't know whether they make a difference in terms of heat but they sure do hide the messy wiring behind the engine!!

I doubt that happens "RKC specific logo".

Late model HD's ('10 & up) are a piece of cake to install versus the earlier bikes.

They came installed on my bike. I took them off. Man it's really hot without them on. I didn't realize they worked so good till I removed them. Now I get to reinstall them. Good thing its super easy.

Captn Itch's crotch cooler is the best thing since sliced bread.

cool, lots of good info here, Thanks guys

I see his adds, but never knew what he made.

He seems like an interesting guy

I have the Kury one's on my '06 RG. Easy to install, look good, and with the heat the way it is here in Phoenix they did the job.

If you do decide to make them, please consider those of us who have installed adjustable rider's seat backs. HD's adjustment device precludes the use of heat shields on the left side. If you can design a shield that still works with the adjustment latch in place, you'd have a sure sale here!
Just a thought . . .