that should be fine.... thats the standard single pop charger upgrade. the "u pipe with a maf sized whole in the middle" is a stock hose used in the airbox. This hose is utilized when removing the stock airbox and switching to a single pop cone filter. Upgrading the intercoolers seems like your best bet. If you have the money I would go with the ash spec w/ the 2.5" piping. But if you dont have the money a set of stillens or z1's will do you alot of good. I believe awhile back they flow tested all of the SMIC and the massive ashspecs flowed the most air next to the stillens.
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