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View Full Version : Factory UTV RZR Air Intake Solution


QH
09-02-2008, 05:47 AM
The 08 RZR's come with a serious joke of an intake system. We set out to improve upon that and here are the results...

We started with an airbox designed specifically for heavy dust conditions, then we brought the entire assembly up and out of the dust. As pictured this setup includes 4 filter mechanism's. First a K&N type filter on the filter housing inlet (this is optional as some may snorkel from here) then contained inside the housing are a dirt separator and both inner and outer filters. We will be using different tubing than pictured, we'll go with a 3" silicone smooth sided tube and 2 - 90 degree bends. The entire stock airbox gets tossed and the tubing connects directly to the boot with a male/male splice. We are planning on fabbing and selling a nice toolbox to fit in the space of the old airfilter housing. We've tested in major dust conditions and up to 8000 feet and the setup works awesome! A 3 inch hole will be required in the front corner of your bed which will turn some off. We were willing to give up that 3 inches of bed space for peace of mind regarding dirt in the engine.

http://i392.photobucket.com/albums/pp7/futv/Filter1.jpg
http://i392.photobucket.com/albums/pp7/futv/Filter2.jpg

diirk
09-02-2008, 01:27 PM
I think I recognize that filter.....BB?

QH
09-02-2008, 04:03 PM
I think I recognize that filter.....BB?

Nope, although he did send me one similar...Large Cummins generator filter actually :buford:

J.T.
09-02-2008, 04:10 PM
Very Cool Bob, Looks like ou are going to have mucho to offer at the SSSS

diirk
09-05-2008, 02:25 PM
I was thinking it looked like a Donaldson....

QH
09-05-2008, 03:32 PM
I was thinking it looked like a Donaldson....

Cummins owns Fleetguard, but who knows, same people may make housings for Fleetguard and Donaldson. Someone else said the same thing about it being a Donaldson. Tell you what though, it worked flawlessly! Rode in a lot of dust for a day and the two inner filter and cannister were spotless.

http://i392.photobucket.com/albums/pp7/futv/Filters.jpg

diirk
09-05-2008, 05:02 PM
Very nice!

J.T.
09-05-2008, 05:07 PM
Did you Have to Re-jet? for this configuration? and will it support Aftermarket Exhaust and other Performance upgrades?

diirk
09-05-2008, 05:18 PM
The RZR's are EFI. A PC would take care of any issues with mods.

QH
09-05-2008, 05:20 PM
Did you Have to Re-jet? for this configuration? and will it support Aftermarket Exhaust and other Performance upgrades?

Jets? :rotfl: I have a fuel controller JT, come on this is 2008!!!!!


Seriously though, we ran it up to 8000 feet and it ran great without touching the controller. Filter was designed for a 3000cc generator, so supplying enough air for our stuff is not an issue... As far as I know the RZR is the ONLY off road vehicle that places the intake filtering setup directly in the path of the most possible dust? Where we have it now it's far less dust and far less heat, got to be better. I was shocked to see the filters spotless, but since it's drawing air through the K&N first makes sense. K&N was plenty dirty..

J.T.
09-05-2008, 05:26 PM
The RZR's are EFI. A PC would take care of any issues with mods.

Jets? :rotfl: I have a fuel controller JT, come on this is 2008!!!!!


Seriously though, we ran it up to 8000 feet and it ran great without touching the controller. Filter was designed for a 3000cc generator, so supplying enough air for our stuff is not an issue... As far as I know the RZR is the ONLY off road vehicle that places the intake filtering setup directly in the path of the most possible dust? Where we have it now it's far less dust and far less heat, got to be better. I was shocked to see the filters spotless, but since it's drawing air through the K&N first makes sense. K&N was plenty dirty..


DOLT oh yeah I forgot

http://www.simpsonstrivia.com.ar/simpsons-photos/wallpapers/homer-simpson-wallpaper-brain-

pronstar
09-05-2008, 05:31 PM
http://i392.photobucket.com/albums/pp7/futv/Filter1.jpg
http://i392.photobucket.com/albums/pp7/futv/Filter2.jpg

I knew I'd seen that design before:
http://www.vegatransports.com.au/starwars/SAGA/tie_pilot_lg.jpg

Big Buford
09-06-2008, 01:51 AM
http://i392.photobucket.com/albums/pp7/futv/Filters.jpg

You know what would make a great marketing pic is to cut the pleats on the stock and aftermarket filters and lay them side by side. The after market would probably wrap all the way around the rzr :buford: The inner filter should never be removed from the housing except to change. One of it's main functions is to not allow any dirt into the engine while changing the outer filter. Only thought I had on the extra external filter was would it slow down the flow of air entering the housing and not allow the dust to be flung against the housing walls and out the trap. Looks great, gona do the same thing on the buggy:ftt:

QH
09-06-2008, 06:42 AM
http://i392.photobucket.com/albums/pp7/futv/Filters.jpg

You know what would make a great marketing pic is to cut the pleats on the stock and aftermarket filters and lay them side by side. The after market would probably wrap all the way around the rzr :buford: The inner filter should never be removed from the housing except to change. One of it's main functions is to not allow any dirt into the engine while changing the outer filter. Only thought I had on the extra external filter was would it slow down the flow of air entering the housing and not allow the dust to be flung against the housing walls and out the trap. Looks great, gona do the same thing on the buggy:ftt:

I had to remove the inner filter because people on the RZR forums wanted to see pics. Besides there was no dust :buford: We're thinking and my bro agrees that the area of the external filter is far greater than the 3 inch inlet. When we were at Big Tree's, 7000 + feet I felt te elevation a little bit with the stock setup. Up at the rubicon about the same elevation it ran great so I think it's actually better than stock as far as air volume. I wsa actually more worriend about the accordian hose screwing the airflow, but it ran really good. We'll be selling with smooth tubing though... It's a bit of overkill filtering wise, but cleaning the external filter is a breeze maintenance wise and I don't think we'll ever have to clean the inner filters...