hey jus nhad my g6e turbo tuned few weeks ago. it got xforce 4 inch cat back.100 cell cat venom, plazma man stg 3piping kit, batt relocate.4inch plazmaman cold intake ,60pd injectors step intercooler not sure who by but fairly big, standard dump ngauge tuner it made 343rwkw and 900nm, @18psi is this gonna be safe? do I not need bigger fuel pump ?and since I got car car back when in neutral or park cold start idles likes its misssing or got big cam once warm same but not so bad, even once warm and driven for half hour at lights in gear idles fine but in p or neutral idles up n down? is this normal cos they said yeah its the injectorsd so they adjusted fuel trim and said its good but doesnt feel good? boost comnes on and spikes and lots of flutter between gear changes. any thoughts?