XPT Stage 1 - 2007 STI


This particular map is designed for the 2007 Subaru WRX STI with the following modifications:

-Stock IHI VF43 Turbo
-Stock STi Top Mount Intercooler
-Stock Downpipe - Catback or Axleback Exhaust is OK.
-Stock Boost Control Solenoid - No change in lines or T's.
-Stock Airbox with Hi-Flow Panel Filter (K&N, Perrin, etc..)

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 18.4psi in 4th gear, but is tuned up to 19psi for higher gears. It is not recommended to run any more than 19psi with low octane fuel. The A/F for this map runs 11's in the mid-range and 10.7 to 10.8 towards redline. It has been tuned on 91 octane California gas with up to 10% Ethanol. It will run even smoother on 93!

  • Model: XPT1000J
  • 985 Units in Stock

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This product was added to our catalog on Friday 25 July, 2008.

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