XPT Stage 2.5 VF39 for MY04 WRX with Launch Control

  • Model: XPT25520
  • 946 Units in Stock


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This particular map is designed for the 2004 Subaru WRX with the following modifications:

-IHI VF39 Turbo
-STi Top Mount Intercooler
-STi "Pinks" Injectors
-GM Boost Control Solenoid
-3" Catless/Catted Downpipe (full TBE recommended)
-Aftermarket or Gutted Stock Up-Pipe
-K&N Panel Filter (or similar panel filter)

Further instructions will be provided upon receipt of your new map. This will include details and proper map break-in procedures/tips.

This map is designed to run at a peak of 17.7psi, but is tuned up to 18.5psi. It is not recommended to run any more than 18psi with low octane fuel. The A/F for this map runs low 11's in the mid-range and 10.5 to 10.7 towards redline. It has been tuned on 91 octane California gas with up to 10% Ethanol. It will run even smoother on 93!


This product was added to our catalog on Thursday 19 October, 2006.