So i have a 2010 speed 3, its already got your basic mods, intake, exhaust, HPFP, accessport ect. my stock turbo is starting to go bad so im gonna throw a cst4 with EWG in it, now i can afford either the 4 inch intake (i have 3 inch atm) or the 72mm throttle body to go along with it, can anyone...