Need a bit more info.
Have you done all the basic stuff like checked all hoses turbo to intercooler, intercooler to manifold etc. Checked air filter, fuel filter, egr's arent stuck open?
Fronty no.4, pimp mobile Treg 3.2 LWB lifted 2.5"
Fronty no.5 2.8 swb hd coils +2" 31"machos.