APR 2019 Porsche 911 GT3 RS 4.0L (991.2) ECU Upgrade!

03/16/2022
10 min read

APR 2019 Porsche 911 GT3 RS 4.0L (991.2) ECU Upgrade!

03/16/2022
10 min read

We're excited to announce our Engine Control Unit (ECU) Upgrades are now available for the Porsche 911 GT3 RS (991.2) 4.0L engine with the Bosch MED17.x ECU! Expect excellent gains with up to 539-577 HP with 362-380 FT-LBS of torque on tap, depending on octane, from this simple software upgrade.

APR 2019 Porsche 911 GT3 RS 4.0T (991.2) ECU Upgrade!

  • Delivers up to 539-577 HP with 362-380 FT-LBS depending on octane
  • Max gains of +33-77 WHP and +39-58 WFT-LBS depending on octane
  • Supports 91 AKI, 93 AKI, 100 AKI, 104 AKI, and E60-E85 fuel grades
  • Ethanol support from E60-E85 for maximum performance
  • Standing RPM limiter set to 7,000 RPM
  • Engine RPM limiter set to 9,000 RPM
  • Speed limiter matches max gearing
  • Exhaust flaps recalibrated to provide better low-end performance
  • No hardware required (Software only)
  • Supports standard bolt on modifications
  • Free lifetime updates
  • Direct OBDII port flash (No ECU removal)
  • 30 day money back guarantee
APR 2019 Porsche 911 GT3 RS 4.0T (991.2) ECU Upgrade!

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