done auto to man conv an when put foot down splutters and boost only goes to half what it used too. done ecu check code 55 think thats no faults. havnt wired neutral switch and put bigger intercoolers on from donor car but have standard everything exept filter and exhaust can anyone help this cars killing me thankyou

what were the intercoolers you put on from the old car? They are not blocked are they? Are they considerably larger?

about twice the size in depth they didnt seem blocked

the donor car i got came with technic turbo big injectors chip big intercoolers only put intercoolers on cause didnt know if other bits were ok to put on without breaking car seems only bit i changed messed it up ha ha