diesel tuning module from chip express anyone tried one of these Nissan Patrol 3.0 DI 158 PS 354 Nm | Diesel Tuning with CHIP Express™? or what is the best unit to use? there are so many units availabe it is hard to know which one a person should buy.Also would these units help decrease EGT ect or increase??:cool: Before158 PS116 kW / 156 bhp After192 PS141 kW / 189 bhp MaxPower207 PS152 kW / 204 bhp Torque354 Nm261 lbf/ft 418 Nm308 lbf/ft 472 Nm348 lbf/ft 472 Nm348 lbf/ft