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Discussion Starter · #1 ·
I have finally picked up my HRC 450r and love it. I am getting ready to install a uni with a prodesign kit or a sparks filter what have you guys been doing with the crank case breather tube, to make sure it gets clean air. Or with these two filters will I have to do anything.

Thanks
Collin
 

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The crank case breather isn't sucking air in so clean air isn't a concern. With my UNI filter it still was flush right up next to the filter as it was with the OEM filter. That tube is only pushing air out.
 

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It needs to be filtered FOR SURE! DO NOT RUN IT UNFILTERED AWAY FROM THE AIR FILTER!
I ran without a filter once, and when I took my engine apart, there was a pile of sand right where the breather comes in.
Get a UNI crank case filter, or go to Napa or Auto zone, they will have a crank case filter very cheap.
 
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