I had replaced my intake and put the AMSOIL filter and saw this , if you dismatle the BOX you will see an actuautor valve inside the filter BOX, I beleive it regulates the heat and Air mixture to the intake, thats my 2 cents on this!!
RENNtech Flash(Lenny Wu)/WAGNER IC
Enkei Rajin 18"/Execuhitch Hitch/Koni FSD
Soft Ride Bike Rack/Brava Synthetic Motor Oil(Made in Puerto Rico)/Meth(in the works)/CBU done w Andrew EGR Race Pipe (whoa! what an animal it is now)