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Posted

its very dusty around where i live...

and dirty... but i was wondering about removing my air box and running just 1 k$n fillter or the 2 of them..

but besides changing my jettings is it better or worse.. wouldnt it suck up most of the dirt into my motor???

i just hate the danm air box.. but better safe then sorry right???

 

peace devin...

Posted

keep the airbox and get a pro flow uni air filter, they are better for dirt. they are stage 2 foam filters, and come with a stage 3 wrap for dusty areas (kind of like an outerwear).

Posted

I have the K&N pod filters and I have had them fall of twice while riding the, but I lucked out and noticed both times I wish i would have kept the air box though cause I'm starting o get into MX to :(

Posted

Keep the box, get a good pro flo design as said...and use that outerwear. It helps with sand and dust big time.

 

I bought mine with pods on it...wish I still had the air box though. Might fab one up out of aluminum, one day!!

 

Sucks having to be extra careful around puddles, mud, etc....

Posted
Keep the box, get a good pro flo design as said...and use that outerwear.  It helps with sand and dust big time.

 

I bought mine with pods on it...wish I still had the air box though.  Might fab one up out of aluminum, one day!!

 

Sucks having to be extra careful around puddles, mud, etc....

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If you might go threw some deep water, you need the airbox. Ive had no problems with my K&N filter and airbox adapter in dusty riding. Get this airbox adapter HERE . dajogejer, I have seen a guy make a plexyglass airbox for a 400ex that looked cool, might try that.

Posted (edited)
If you might go threw some deep water, you need the airbox. Ive had no problems with my K&N filter and airbox adapter in dusty riding. Get this airbox adapter HERE . dajogejer, I have seen a guy make a plexyglass airbox for a 400ex that looked cool, might try that.

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if i go back to using an air box with no lid. will i have to rejet?

 

also would the stock air box work with pwk 28mm carbs?

Edited by joshv5.0
Posted
If you might go threw some deep water, you need the airbox. Ive had no problems with my K&N filter and airbox adapter in dusty riding. Get this airbox adapter HERE . dajogejer, I have seen a guy make a plexyglass airbox for a 400ex that looked cool, might try that.

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Helluva good idea...be able to see how dirty it is without taking the seat off...Might have to give her a whirl....thanks!!

 

Yes...Josh, I'd bet you have to rejet. Probably a size or two leaner on the main, and possibly adjust the airscrew....

Posted

If you ride in dusty conditions and want to take the air box off use the Uni foam pod filters with foam outerwears. They will get dirty much faster than with the filter in the stock box but are pretty easy to take off and clean. If you ride through deep water keep the box on. K&N pods with outerwears are way better than foam for the sand because the sand doesn't stick to them, but a good oiled foam pod will filter the small dust particles better in dirt. The air flow is pretty close between the two types. A pair of foam Uni filters are only about $25 and K&N with outerwears are about $60+.

Posted

Could always get the Toomey 2 into 1 Foam Filter with outerwear...too.

 

I have it...but can't use it since my T5 Stinger melted it ever so slightly on one side. Have to move and secure that better... :confused:

 

It's a nice setup, though...and sits up high under the seat...

Posted

If your never going to ride in wet conditions or in any water then I say yes, get them. I have never had any problems with mine, but mu shee is a dune machine only.

Posted

Does anyone know who makes the waterproof covers so you can run with your airbox lid off? I have seen them before but now i need one and have no clue who makes the covers that just snap on and make box waterproff without rejetting.

Posted
Does anyone know who makes the waterproof covers so you can run with your airbox lid off? I have seen them before but now i need one and have no clue who makes the covers that just snap on and make box waterproff without rejetting.

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Outerwears makes the filter wrap and the airbox cover. I also put some pantie hoes under my outerwears

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