Quote:
Originally Posted by Mark-5.7
Sorry, I mean Insulated. With Reflectix I insulated complete intake box & hose. I also bypassed the TB coolant hoses & picked up about .2 from 0 - 60. Anyone know what the upper intake filter is for & is it OK to remove it?
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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.