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<strong>Map</strong> <strong>Notes</strong> for2002 - 2005 WRXSupported Vehicles: USDM 2002 - 2005 WRX<strong>Map</strong> Revision: Stage1 91 v310 Stage2 91 v310 STX 91 v300 Stage1 93 v310 Stage2 93 v310 STX 93 v300 Stage1 ACN91 v310 Stage2 ACN91 v310 Stage1+EBCS 91 v310 Stage2+EBCS 91 v310 Stage1+EBCS 93 v310 Stage2+EBCS 93 v310 Stage1+EBCS ACN91 v310 Stage2+EBCS ACN91 v310<strong>Map</strong> Availability: Download from the COBB <strong>Tuning</strong> Subaru WRX OTS <strong>Map</strong> Database.Required AccessPORT Firmware: 1.6.4.0 or greaterHardware Requirements: Stage1 - Otherwise stock vehicle with the following modifications*: Intake Requirements: Stock airbox or COBB <strong>Tuning</strong> SF Intake Exhaust requirements: Stock exhaust or upgraded cat-back exhaustHardware Requirements: Stage1+EBCS - Otherwise stock vehicle with the following modifications*: Intake Requirements: Stock airbox or COBB <strong>Tuning</strong> SF Intake Exhaust requirements: Stock exhaust or upgraded cat-back exhaust Boost Control Solenoid: COBB 3-Port Boost Control Solenoid onlyHardware Requirements: Stage2 and STX - Otherwise stock vehicle with the following modifications*: Intake Requirements: Stock airbox or COBB <strong>Tuning</strong> SF Intake Exhaust requirements: Upgraded turbo-back exhaustHardware Requirements: Stage2+EBCS - Otherwise stock vehicle with the following modifications*: Intake Requirements: Stock airbox or COBB <strong>Tuning</strong> SF Intake Exhaust requirements: Upgraded turbo-back exhaust Boost Control Solenoid: COBB 3-Port Boost Control Solenoid only* The addition of any other hardware may make the vehicle perform poorly.** No other intakes, turbochargers, or fuel injectors are certified as compatible with these maps. **2311 W Rundberg Ln. Suite 500 Austin, TX 78758 | Phone: 866.922.3059 | Fax: 512.997.6400 | www.cobbtuning.com
Additional <strong>Notes</strong>:Additional modifications such as an upgraded panel filter, lightweight crank pulley, aftermarket up-pipe, orrecirculating by-pass valve are still within the acceptable modifications for this calibration. If any knock ordetonation is present even when using the appropriate fuel, try reflashing a map that is intended for a loweroctane fuel. If your modifications do not match the hardware requirements listed above, you can have a customAccessPORT map made at one of the COBB <strong>Tuning</strong> retail and service centers or one of the many professionalSubaru Pro-Tuners and e-Tuners.Fuel Requirements:Each map lists the minimum required octane. A higher octane fuel can be used safely on a mapdesigned for lower octane. DO NOT use maps designed for higher octane with lower octanefuels. Top Tier gasoline should be used where available.Ca<strong>Map</strong>s designated with “93” are for use with 93 and 94 octane fuel or better.<strong>Map</strong>s designated with “91” are for use with 91 and 92 octane fuel or better.<strong>Map</strong>s designated with “ACN91” are for use with 91 octane fuel found inArizona, California, and Nevada or better.Typical Stage1, Stage2, and STX vs. Stock Power:Stage1 ACN91 - 255 HP (+12%) / 255 TQ (+18%)Stage1 91 - 255 HP (+12%) / 255 TQ (+18%)Stage1 93 - 260 HP (+15%) / 260 TQ (+20%)Stage2 ACN91 - 280 HP (+23%) / 285 TQ (+31%)Stage2 91 - 280 HP (+23%) / 285 TQ (+31%)Stage2 93 - 285 HP (+26%) / 285 TQ (+31%)STX 91 - 265 HP (+17%) / 270 TQ (+24%)STX 93 - 270 HP (+19%) / 270 TQ (+24%)2311 W Rundberg Ln. Suite 500 Austin, TX 78758 | Phone: 866.922.3059 | Fax: 512.997.6400 | www.cobbtuning.com
Results may vary. Power as tested on 2002 - 2005 WRX vehicles using these identical calibrations.Generally speaking, the 91 and ACN91 calibrations run slightly lower boost, have a richer fuel curve, and a lessaggressive ignition advance map to help compensate for 91 octane fuel; Arizona, California, and Nevada 91octane fuel; and/or less than ideal atmospheric conditions. The maps designed for 93 octane are the mostaggressive.<strong>Map</strong> Version <strong>Notes</strong>:Stage1 <strong>Map</strong>sStage1 ACN91 v310o Fuel Requirements: 91 octane found in Arizona, California, and Nevada or bettero Intake Requirements: Stock airbox or COBB <strong>Tuning</strong> SF Intakeo Exhaust Requirements: Stock exhaust or upgraded cat-back exhausto Boost Targets: ~14.0psi peak boost pressure tapering down to ~12.0psi by the 7250RPM redline, +/- 1.0 psiStage1 91 v310o Fuel Requirements: 91 - 92 octane or bettero Intake Requirements: Stock airbox or COBB <strong>Tuning</strong> SF Intakeo Exhaust Requirements: Stock exhaust or upgraded cat-back exhausto Boost Targets: ~14.5psi peak boost pressure tapering down to ~12.0psi by the 7250RPM redline, +/- 1.0 psiStage1 93 v310o Fuel Requirements: 93 - 94 octane or bettero Intake Requirements: Stock airbox or COBB <strong>Tuning</strong> SF Intakeo Exhaust Requirements: Stock exhaust or upgraded cat-back exhausto Boost Targets: ~15.0psi peak boost pressure tapering down to ~12.0psi by the 7250RPM redline, +/- 1.0 psiStage1+EBCS <strong>Map</strong>sStage1+EBCS ACN91 v310o Fuel Requirements: 91 octane found in Arizona, California, and Nevada or bettero Intake Requirements: Stock airbox or COBB <strong>Tuning</strong> SF Intakeo Exhaust Requirements: Stock exhaust or upgraded cat-back exhausto Boost Control Solenoid: COBB 3-Port Boost Control Solenoid onlyo Boost Targets: ~14.0psi peak boost pressure tapering down to ~12.0psi by the 7250RPM redline, +/- 1.0 psiStage1+EBCS 91 v310o Fuel Requirements: 91 - 92 octane or bettero Intake Requirements: Stock airbox or COBB <strong>Tuning</strong> SF Intakeo Exhaust Requirements: Stock exhaust or upgraded cat-back exhausto Boost Control Solenoid: COBB 3-Port Boost Control Solenoid onlyo Boost Targets: ~14.5psi peak boost pressure tapering down to ~12.0psi by the 7250RPM redline, +/- 1.0 psiStage1+EBCS 93 v310o Fuel Requirements: 93 - 94 octane or bettero Intake Requirements: Stock airbox or COBB <strong>Tuning</strong> SF Intakeo Exhaust Requirements: Stock exhaust or upgraded cat-back exhausto Boost Control Solenoid: COBB 3-Port Boost Control Solenoid onlyo Boost Targets: ~15.0psi peak boost pressure tapering down to ~12.0psi by the 7250RPM redline, +/- 1.0 psi2311 W Rundberg Ln. Suite 500 Austin, TX 78758 | Phone: 866.922.3059 | Fax: 512.997.6400 | www.cobbtuning.com
Stage2 <strong>Map</strong>sStage2 ACN91 v310o Fuel Requirements: 91 octane fuel found in Arizona, California, and Nevada or bettero Intake Requirements: Stock airbox or COBB <strong>Tuning</strong> SF Intakeo Exhaust Requirements: Upgraded turbo-back exhausto Boost Targets: ~16.0psi peak boost pressure tapering down to ~12.0psi by the 7250RPM redline, +/- 1.0 psiStage2 91 v310o Fuel Requirements: 91 - 92 octane or bettero Intake Requirements: Stock airbox or COBB <strong>Tuning</strong> SF Intakeo Exhaust Requirements: Upgraded turbo-back exhausto Boost Targets: ~16.5psi peak boost pressure tapering down to ~12.0psi by the 7250RPM redline, +/- 1.0 psiStage2 93 v310o Fuel Requirements: 93 - 94 octane or bettero Intake Requirements: Stock airbox or COBB <strong>Tuning</strong> SF Intakeo Exhaust Requirements: Upgraded turbo-back exhausto Boost Targets: ~17.0psi peak boost pressure tapering down to ~12.0psi by the 7250RPM redline, +/- 1.0 psiStage2+EBCS <strong>Map</strong>sStage2+EBCS ACN91 v310o Fuel Requirements: 91 octane fuel found in Arizona, California, and Nevada or bettero Intake Requirements: Stock airbox or COBB <strong>Tuning</strong> SF Intakeo Exhaust Requirements: Upgraded turbo-back exhausto Boost Control Solenoid: COBB 3-Port Boost Control Solenoid onlyo Boost Targets: ~16.0psi peak boost pressure tapering down to ~12.0psi by the 7250RPM redline, +/- 1.0 psiStage2+EBCS 91 v310o Fuel Requirements: 91 - 92 octane or bettero Intake Requirements: Stock airbox or COBB <strong>Tuning</strong> SF Intakeo Exhaust Requirements: Upgraded turbo-back exhausto Boost Control Solenoid: COBB 3-Port Boost Control Solenoid onlyo Boost Targets: ~16.5psi peak boost pressure tapering down to ~12.0psi by the 7250RPM redline, +/- 1.0 psiStage2+EBCS 93 v310o Fuel Requirements: 93 - 94 octane or bettero Intake Requirements: Stock airbox or COBB <strong>Tuning</strong> SF Intakeo Exhaust Requirements: Upgraded turbo-back exhausto Boost Control Solenoid: COBB 3-Port Boost Control Solenoid onlyo Boost Targets: ~17.0psi peak boost pressure tapering down to ~12.0psi by the 7250RPM redline, +/- 1.0 psiSTX <strong>Map</strong>s – Intended for use in the SCCA STX class (autocross)STX 91 v300o Fuel Requirements: 91 - 92 octane or bettero Intake Requirements: Stock airbox or COBB <strong>Tuning</strong> SF Intakeo Exhaust Requirements: Upgraded turbo-back exhausto Boost Targets: Stock – NO BOOST MAPPING ADJUSTMENTS ARE MADE2311 W Rundberg Ln. Suite 500 Austin, TX 78758 | Phone: 866.922.3059 | Fax: 512.997.6400 | www.cobbtuning.com
STX 93 v300o Fuel Requirements: 93 - 94 octane or bettero Intake Requirements: Stock airbox or COBB <strong>Tuning</strong> SF Intakeo Exhaust Requirements: Upgraded turbo-back exhausto Boost Targets: Stock – NO BOOST MAPPING ADJUSTMENTS ARE MADENon-Performance <strong>Map</strong>sAnti-Theft Mode Ao Will not allow vehicle to startAnti-Theft Mode Bo Allows vehicle to start and idle. Vehicle dies instantly once engine exceeds 1300RPM.Economy Mode MTv300o Fuel Requirements: 91 octane or bettero Intake Requirements: Stock airbox or COBB <strong>Tuning</strong> SF Intakeo Exhaust Requirements: Stock exhaust or upgraded turbo-back exhausto Boost Control Solenoid: Stock boost solenoid or COBB 3-port Boost Control Solenoido Boost Targets: Mechanical minimum (typically around 6psi - 10psi)o Rev Limiter: 7100 RPM* Not intended for aggressive driving*Valet Mode MTv300o Fuel Requirements: 91 octane or bettero Intake Requirements: Stock airbox or COBB <strong>Tuning</strong> SF Intakeo Exhaust Requirements: Stock exhaust or upgraded turbo-back exhausto Boost Control Solenoid: Stock boost solenoid or COBB 3-port Boost Control Solenoido Boost Targets: Mechanical minimum (typically around 6psi - 10psi)o Rev Limiter: 3800 RPMAll Stage1 and Stage2 performance maps include a “HWG” and “LWG”:HWG: Higher wastegate duty cycles (HWG) for use when normal wastegate calibration produces lowerthan targeted boost (i.e. under boost).LWG: Lower wastegate duty cycles (LWG) for use when normal wastegate calibration produces higherthan targeted boost (i.e. over boost).Monitoring Boost Levels:The best way to determine if you are hitting target boost is to watch the TD Boost Error parameter. Thisparameter is your target boost (including altitude and temperature compensations) minus your actual boost(negative values mean you are over the target by the amount while positive values mean you are under). Ideallyyou want this value to be between 0 and 1.0 at wide open throttle (WOT), but -1.0 to 1.0 is acceptable assumingthat you don’t have any significant knock corrections. Overboosting is more likely to occur in higher gears andwith colder outside temperatures, so be sure to verify boost levels during these conditions.2311 W Rundberg Ln. Suite 500 Austin, TX 78758 | Phone: 866.922.3059 | Fax: 512.997.6400 | www.cobbtuning.com
High Altitude:A quick note for those of you that live at higher altitudes. It is common for turbocharged cars at higher altitudes torun less boost pressure due to lower air pressure and air density. Your turbocharger has to work harder tocompress a less dense air mass compared to the same turbocharger at sea level. This must be factored in whendetermining if your turbocharger is running the proper amount of boost pressure and not being pushed beyond itsefficiency range.Example: If you live in Denver at 5280 ft and are trying to run a peak boost pressure of 15 psi, your turbochargerhas to work the equivalent of making ~17.5 psi at sea level.There are barometric compensations within the factory ECU that lower boost targets as you climb in altitude in aneffort to keep the turbocharger in its optimal range. The COBB performance maps utilize these compensationsand therefore, it is perfectly normal for the final boost target to be lower than what is listed for your map.Revision <strong>Notes</strong>:3.10 - Massive update for Stage1 and Stage2 mapping. Includes refinements to boost control and overall ignitiontiming strategy.3.00 - Now compatible with Launch Control and Flat-Foot Shifting (LC/FFS) features (MT only). For completedetails on how to enable and use the LC/FFS functionality, please visit this FAQ.These maps have been created with the newly-released AccessTUNER Pro 1.9.0.0. <strong>Map</strong>s created with thisversion of AccessTUNER software require the latest AccessPORT firmware (version 1.6.4.0-1189 or greater) beinstalled. All AccessPORTs must first be updated before using maps created with this latest AccessTUNERversion. AccessPORT Manager 2.0 will automatically update the AccessPORT to the latest firmware version andis available for download on the COBB <strong>Tuning</strong> Support web page.2311 W Rundberg Ln. Suite 500 Austin, TX 78758 | Phone: 866.922.3059 | Fax: 512.997.6400 | www.cobbtuning.com
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