Quote:
Originally Posted by RunItHard
If you're talking about the mesh and filter material in the top of the stock box, it holds granulated carbon to trap vapors from the fuel evac system.
I cut mine out after I installed a K&N replacement filter, just before I trashed the whole stock box and installed a Volant CAI.
Depending on where you live, if you cut it out you won't pass your smog check to get your cert.
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Does the mesh thing affect emissions output or do you mean that they physically check the air box for this mesh filter? It seems like it would impede air flow?