Im not big on turbo stuff, but ill take a stab.......boost gauge,fmic,decat,mani,FCD,FPR,hybrid,HKS actuator (stronger spring than the normal one),port the wastegate?...im sure these will give you up to 1bar and 180BHP or 0.85 safely without the FCD n FPR if you have the money for emanage knock yourself out. (anyone feel free to comment a critisize) also read this bud....http://www.ukstarletclub.com/forums/index.php?autocom=tutorials&article=5