XPT Stage 2 - 2004 STI

$149.99

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


-Stock IHI VF39 Turbo (helps to port the exhaust housing)
-Stock STi Top Mount Intercooler
-Gutted or aftermarket Downpipe (catted or catless), A turbo-back exhaust is preferred, but not necessary.
-Stock Boost Control Solenoid
-Stock Airbox with a Panel Filter (K&N, Perrin, etc..) (Also tested with Injen CAI successfully)


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 17psi, but is tuned up to 20psi. It is not recommended to run any more than 20psi with low octane fuel. The A/F for this map runs mid 11's in the mid-range and 10.7 to 10.9 towards redline. It has been tuned on 91 octane California gas with up to 10% Ethanol. It will run even smoother on 93!



  • Model: XPT2710J
  • 946 Units in Stock

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This product was added to our catalog on Wednesday 02 May, 2007.

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