APR Stage 1 ECU Software Flash Tuning Porsche Boxster S and Cayman S 2.5T


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The APR ECU Upgrade typically raises the power output of the 2.5T to 398 horsepower and 387 lb-ft of torque on 91 octane fuel with gains of 59 horsepower and 76 Lb-ft of torque in the midrange! Expect improved throttle response and a smoother, more powerful top end with no loss of drivability or reliability.

APR software is available in five Operating Modes, the desired operating mode can be selected at the time of programming. Mode switching is not available for this application.

Operating Modes:

  • Exact OEM Calibration Stock Mode: 376HP / 330 TQ
  • APR 91 Octane Performance Mode: 398HP / 387 TQ
  • APR 93 Octane Performance Mode: 422HP / 411 TQ
  • APR 100 Octane Performance Mode: 430HP / 410 TQ
  • APR 104 Octane Performance Mode: 439HP / 421 TQ

Extra Features:

  • Fault Code Erase (FCE): Resets engine related fault codes.
  • APR Mobile Dongle Support: Allows use of the APR Mobile Dongle (purchased separately) to read and reset fault codes, view real time parameters, and perform data logging.

APR Porsche 2.5T ECU Upgrade Vehicle Fitment:

Installation can be performed at our facility by appointment, just give us a call at 425-895-0000 or email [email protected] to schedule. With APR's DirectPort ECU tuning the ECU can be programmed in around 60 minutes, no ECU removal or soldering is required.

All APR ECU software comes with lifetime free updates (labor charges may apply). APR provides a lifetime warranty against defects in the software. All APR ECU upgrades have a 30-day Money Back Guarantee.
APR ECU Upgrade - 2.5T (398/387-91)
Please contact us to schedule your appointment, installation takes about an hour.
all software

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