APR Stage 1 ECU Software Flash Tuning Audi B9 RS5


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The APR ECU Upgrade typically raises the power output of the 2.9T to 488 horsepower and 537 lb-ft of torque on 91 octane fuel with peak gains of 75 horsepower and 98 Lb-ft of torque!
On the Ethanol program power increases to 550HP and 569 Lb-ft of torque with peak gains of 104 horsepower and 123 Lb-ft of torque! Expect improved throttle response and a smoother, more powerful top end with no loss of drivability or reliability.

APR software is available in six 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
  • APR 91 Octane Performance Mode
  • APR 93 Octane Performance Mode
  • APR 100 Octane Performance Mode
  • APR 104 Octane Performance Mode
  • APR E60-E85 Ethanol Performance Mode

APR B9 RS5 ECU Upgrade Vehicle Fitment:

Installation can be performed at our facility by appointment, just give us a call at 425-895-0000 or email Service@Achtuning.com to schedule. Install time is about 45 minutes.

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 - 2.9T HO (488/537-91)
Please contact us to schedule your appointment, installation takes about an hour.
all software

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