Foam air scoop inserts, 14-15 yz450f

Does anyone run them or know where I can get a set? Also curious if they affect air flow or rob horse power at all. Would be a nice option for dry days at the track.

Does anyone run them or know where I can get a set? Also curious if they affect air flow or rob horse power at all. Would be a nice option for dry days at the track.

I have a brand new set unopened if you want them.

They help a lot on keeping debris and dust out of filter. I never oil them because I don't want them to plug up. On a dusty enduro I will swap in a clean pair at a gas stop. No power loss.

Rocky Mountain sells them. "PC Racing Flo Shroud Air Filters" $15.99 and the were one of the best things I did to 2014 450. I used to get tons of mud, sand and debris in my filter now very little. Don't oil them. They are very porous and I notice no difference when I pull them out while the bike is running. But I also drilled 5 or 6  .5" holes on the bottom of the plastic shroud. It seems the front intake area just sucks up everything. Buy them!

 It seems the front intake area just sucks up everything.

 

Maybe.  The '06 - '09 has the dirtiest air box I can remember looking at. 

Maybe.  The '06 - '09 has the dirtiest air box I can remember looking at.

That's for sure! With the air intake being higher and forward I've noticed that my air filter stays MUCH cleaner on my '13 vs my '08.

030.JPGIs anything like this made for my 2014 YZ450f with the Cycra Powerflow shrouds?

 

The power flo's will fit. They are a square block foam that you stuff into the air inlet.

I had more flame outs with them in. I did very lightly oil them. After a 3 hour desert race, they were barely even dirty and the regular air filter was as dirty as I would expect without the prefilters.

I had more flame outs with them in. I did very lightly oil them. After a 3 hour desert race, they were barely even dirty and the regular air filter was as dirty as I would expect without the prefilters.

 

Mine is the same way. I even tried taping up the small drain holes in the intake arms (no difference)

 

I am guessing we need a finer foam if we really want to get a substantial pre filter effect.

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