CT Tuning ECU Flash Porsche Cayenne 957 GTS 4.8L V8 DFI 2008-2010

$1,100.00

SKU: CTT-957-65674 Category: Tags: ,

CT Tuning ECU Flash Porsche Cayenne 957 GTS 4.8L V8 DFI 2008-2010

$1,100.00

In stock

Description

Experience a complete performance transformation for your Porsche Cayenne 957 GTS 4.8L V8 DFI (2008-2010) with a professional CT Tuning ECU flash. This software upgrade optimizes the DFI engine to unlock an additional 15 horsepower and 20ft/lbs of torque at the crank. Our tune refines the power curve for sharper throttle response and increased mid-range pull, improving daily drivability and towing capability.

Crank Horsepower Ratings:

  • Stock Power: 405hp | 369ft/lbs
  • Tuned Power: 428hp | 391ft/lbs

ECU Flash Options:

  • Vmax Off: Adjust or remove factory top speed limiter.
  • Race Exhaust: Calibration optimized for full race exhaust systems.
  • Pops & Bangs: Adds aggressive exhaust burbles on deceleration (Requires full race exhaust system).
  • Cold Start Off: Deactivates high-idle cold start sequence.

Why Choose CT Tuning?

  • Global tuning expertise with elite customer service.
  • Environmental-specific calibrations available.
  • Fully reversible to factory settings.
  • Compatible with basic bolt-on modifications.
  • Automatic ECU adjustment for higher octane fuel.
  • Safe, reliable, and dyno-proven results.

How to Flash Your ECU?

  • OBDII: Use a Windows PC to flash files via the OBDII port at your convenience.
  • In-House Service: Schedule an appointment at our Arizona tuning center for installation.

ECU Reference:

  • Identification: This ECU typically identifies as a Siemens SDI4.

Vehicle Fitment:

  • Porsche Cayenne 957 GTS 4.8L V8 DFI 2008-2010

Product Notes:

  • Power ratings are converted from PS/NM and may vary slightly from advertised figures.
  • Tuning must be used within 6 months of purchase.
  • Support is available for 30 days after file delivery.
  • Future modifications if supported or OEM software updates require a $350 file service fee.
  • No refunds once software is issued or locked to a vehicle.
  • Emissions readiness is not forced; original files are provided for return to stock.

Additional information

Weight 5 lbs
Dimensions 13.25 × 11.5 × 2.38 in
Make

Porsche

Model

957 Cayenne

Product Year

2008, 2009, 2010

CT Tuning software is purchased with the intention of using these products for Racing Competition Only. As the authorized purchasing party, you understand that some or all of these parts may not comply with Federal, State, Province, and/or Local laws, ordinances, and regulations. As the buyer, you take responsibility to ensure that any modifications or upgrades that have been done to your vehicle conform to all applicable laws and regulations for road use, especially pertaining to safety and emissions. To make a purchase, you will be required to sign a waiver acknowledging that these products are intended for Racing Competition Only and not meant to be used on a road car.

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