I"m leaning towards the DFR intake since it doesn't have the burp valve like the UMP, incase I get into water or something.

I see they sell it where it hooks up to stock, or with a snorkle attachement? Is there a kit that goes with the snorkle option or is it something you have to make?

The vacuator valve is optional on the BTI setup (sold by DFR). It's absolutely key to how effective the system is in keeping the dirt away from the filter and expelling it as you drive. Incoming air swirls around the canister and towards the lid (the "dead" end). A combination of the centrifugal push of the swirling air and the pulsations from the 2 cylinder engine will spit dust out the valve. It's unlikely any significant amount of water would enter this valve unless you shut off the engine & leave it submerged for a long time. For more normal situations where a small amount of water gets in the canister it can exit through the valve.

If you still feel it's not important to you then just tape over the opening.

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iam pretty sure it's something you need to make, I got the regular one not the snorkle tip. JUst a heads up you may have to modify the box that actually holds the tip were the air goes in, I had to dremel the whole out a little bit to make the billet tip fit. No big deal very easy to do. But I think the DFR intake works for me best, all sealed, water tight with o-rings.

SO the burp valve is the way to go.

I don't plan on driving through any ponds or anything, just through a occasional mud hole hear and there. it gets nasty up here in the winter time.

Trying to decide ump or DFR. I guess wichever one is the easiest and best install.

Mine doesn't have burp valve and does just fine, but what I like about the DRF is the size of the filter it is huge! I know the ump is larger than stock just not as big as DRF. I also figure there must be something to a larger filter as polaris is replacing theres with a much larger one.

As a matter of fact I was out checking on a job site yesterday and the bobcat guy was there and just before he went to filling in the stem wall, he checked his airfilter and he pulled it out it and knocked the dust off of it and it was actually my airfilter the DRF/Donaldson. So I figure if a bobcat uses that filter in some of the nastiest conditions on earth and working in dust all day long everyday that the filter should be good enough for my rzr. just my 2cents

ok, so burp valve or no burp valve, what do you all think?

Call Cliff at UMP 760-421-0300 and ask him. Or call Donaldson and ask if it's important.

It's still a good filter without the valve but without it the dirt has nowhere to go.

I'm surprised nobody has put one on a stock can just to see if it helps that system.

I ordered a DFR. You can also get a lip that has the burp valve in it. SO I might order an extra next summer, when it gets dry and dusty.

My DFR filter setup does not have burp valve and it works flawless.

well thats good to know! might not need to order the extra lid!

how often do you guys replace the filters?

I've had mine for almost 2 months and still running on the original. Just take a compressor and blow the dust out of the filter. I would think this filter will last a pretty long time. I need to order another and may order the "long life" version this time. The only difference is additional filter media in the filter itself. You can find them online for around $26 or less.

kick ass!

Why are you calling it a "dfr air intake"? Dfr just sells it. Its a BTI air intake.

these filters are as good as it gets for dust,dirt. same thing that all heavy equipment runs

BTI Makes it FOR US, we contracted them. Look at their website notice how we are the ONLY person that can sell them

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