Evo 8 - from stock tune to custom tune
This is a good example to show how much power there is to be had from a custom dyno tune compared to just bolting on parts and retaining the OEM factory tune.
Solid lines are GST custom dyno tune, dotted lines are stock tune how the car rolled onto the dyno off the street (with OEM factory tune):
2003 Evo GSR
Mods:
TBE no cat
Hallman MBC
Open Filter
FMIC
Stock 9.8 hotside turbo
GST Custom dyno tune (oem ecu flash)
91 octane
