if you see the pictures, i remove the runners that goes from betwine the ports that provide hot exhaust gases from heating the plenum in the intake and also remove the chamber underneath the plenum of the intake, opening the sides also making it like a victor intake, open in the sides and the bottom, also you can check i remove the ugly coil bracket mounting points just for a symmetrical look, it got all the threads perfect and has not been ported in any way inside!