Despite many tuners claims of stock ecu only being good to 375hp and 25psi, here is the graph and mods to proof otherwise.
Mods are:
Stock 2L bottom end
FP Green
Garage HRS exhaust mani
EPM 02 dump- spits hot fire!!not kidding....
Tanabe Downpipe
ETS 3.5" downpipe back exhaust
GSC S1 cams
ETS LICP
Fujita UICP and intake
Hallman MBC
FIC 780's
Walbro 255
Magnus SheetMetal street intake mani
Car is daily driven 70 miles and has 57k on the bottom end.