i just needed to know what size that filter is that comes with the unit. i need to order one from greddy and i don't want to order both of them so if someone knows that would be awesome. i believe they offer a 6mm and a 4mm one i'm not sure if they are refering to the opening at each end or what. i'd like to order it today. so i could get everything together soon. the other thing i was curious about was the dip setting. i have it set up for the external wastegate. then they show a different settin if you get overboost w/ extWG. should i set it up for overboost?? or just regular?? after the units mounted its goin to be a PITA to get to again. just lookin for some suggestions TIA Anthony