XPT Stage 1 - 08-09 EDM STI

  • Model: XPT1202G
  • 990 Units in Stock

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$200.00

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This particular map is designed for the 2008 and 2009 EDM Subaru WRX STI with the following modifications:

-Stock Airbox with K&N Part # 33-2304 or
-AEM Cold Air Intake Part #21-478WR

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

Target Boost is 17.0psi in 4th gear which will taper down by redline. 3rd gear will see around 16.50psi. 5th and 6th may see closer to 18psi which is perfectly normal. Air Fuel Ratios should be around 11.4:1 during spool, 11.0:1 in mid, and 10.6-10.8 by redline. (This is for S#, S is set to 16psi.)


This map was originally designed for 93oct gas but can run on 91oct as well (RON+MON/2). It has been properly detuned to allow variances in octane down to 91 with optimal performance. While minute gains can be achieved through additional fuel reduction, it was found to be negligible to create a separate 93oct map.


This product was added to our catalog on Monday 11 May, 2009.

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