ok i need help deciding what to do next after my BHG is repaired..and its getting repaired this week with a greddy grex 1.5mm HG and arp studs also with a brand new cylinder head and all parts along with it except cams..as of right now i have a HKS intake, greddy tvvc boost controller, turboxs rfl bov soon to be a hks ssqv with hardpipe, and full exhaust system..what performance mods should i do next?...also how many psi is safe on a stock turbo with those upgrades and any others that are suggested..thanks