I think most will agree that if you run any sort of windshield, in order to control the swirl inside the cab you need a rear shield of some sort. I run the mesh rear panel, but there are lots of different variations available from Polaris, Tusk, EMP and others.

 

Thanks for that jheath, I had no idea what was going on being such a RZR newb. I'll check out what's out there and get "something" ordered. It was brutal to say the least.

 

Look fwd of the rear wheels, under the seats, etc. I got some small and large black foam pipe insulation and cut to size. Plugged several large and small holes with it and some black rtv sealant. Made a difference. With any windshield there is a low pressure vacuum in the cab sucking dust in.
Good luck

 

Raise your half windshield up so there is a 4 inch gap under it. It will still block the air from hitting your face but will let enough air into prevent most dust. Block all the holes around the rear wheel wells as mentioned. I also cut out a wool blanket to sit under the drivers seat to stop dust there. For a full windshield you need to put a full back windshield in.

 

i put this on the back of my 570 and it helped a ton, i have a full front windshield with a small vent in the bottom of it
Polaris RZR 570 800 900 Rear Window Dust Wind Barrier | eBay

 

Thanks for the recommendations guys..

 

I had the same problem (as most have as well). I did a few things on my 14' 570 that has had a major impact in reducing any dust in the cab. I have a Polaris tip out windshield and I added the Polaris rear window and an Under Seat Dust Block-Off kit. I added SLP doors with the SLP door seal kit. Lastly, I used gaffers tape to tape over all of the holes, gaps, etc., under the seats, on the floor board, all the places that I could see where there was an opening for the dust to get in.

 

Thanks Johne. I'll dig around and see if I can locate an underseat block off kit that will fit the trail model.

 

They sell them on EBay for $30.

 

i have some leftover heavy duty vinyl, i may make my own

 

I discovered some places under the dash that are open to the front wheels that I stuffed pipe insulation into. I have not ridden since installing these and can't imagine it not helping.
There are 2 spots on each side where the front roll bar goes through the fire wall, and a spot on each side under the engine hood area going through the fire wall.
I hope this helps all of us.

 

As I've posted in another discussion, what I've discovered is that the dust in the cab issue is a result of a low pressure effect created inside the cab by the addition of a front windshield or half windshield. The low pressure area (in comparison to the surrounding area around the vehicle) acts to suck in any dust and debris created under the vehicle, around the vehicle and ahead of the vehicle.

In order to correct this, this low pressure area must be moved. In my case I was running a half windshield and by adding a full back window, the air coming over the windshield impinge on the back windshield, effectively returning positive pressure into the cab and moving the low pressure area to the cargo area. I run the polaris lock and ride rear poly panel and, along with full doors and plugging some open holes to the underside of the machine, have effectively eliminated my dust problem. So, to sum up, it seems the rule of thumb is. If you're running a front window, you need to run a rear window, or some air barrier back there OR neither front or rear window OR just a rear.

One downside of this I should mention is that a rear window, while increasing pressure in the cab, now creates low pressure behind it in the cargo area, which, as we all know complicates the engine air intake issue somewhat.

Hope this helped those wondering about dust.