



CT Tuning ECU Flash Porsche Cayenne 957 S 4.8L V8 DFI 2008-2010
$1,000.00

CT Tuning ECU Flash Porsche Cayenne 957 S 4.8L V8 DFI 2008-2010
$1,000.00
- Description
- Additional information
Description
Transform your Porsche Cayenne 957 S with a custom ECU flash from CT Tuning, engineered to maximize the potential of your 4.8L V8 DFI engine. Our software recalibration optimizes the power curve to deliver sharper throttle response and increased torque for towing or spirited driving, providing a more aggressive pull through the mid and top-end RPMs.
Crank Horsepower Ratings:
- Stock Power: 385hp | 369ft/lbs
- Tuned Power: 405hp | 395ft/lbs
ECU Flash Options:
- Vmax Off – Adjustment of the factory top speed limiter.
- Race Exhaust – Calibration optimized for full race exhaust hardware.
- Pops & Bangs – Requires full race exhaust system.
- Cold Start Off – Deactivates the high-idle cold start sequence.
Why Choose CT Tuning:
- Prioritizing exceptional customer service.
- Proven software used globally.
- Adaptable to various driving environments.
- Ability to revert to factory settings.
- No retune required for basic bolt-on upgrades.
- Automatic adaptation for higher octane fuels.
- Safe and reliable performance results.
How to Flash Your ECU:
- Use a OBDII tool device to switch between stock and tuned maps (Windows PC required).
- Bench flash: Remove the ECU and ship it to our facility. We will back up your software, apply the tune, and return the unit via your chosen shipping method.
- In-Person: Schedule an appointment at our Arizona tuning center for installation
ECU Reference:
- Siemens SDI4
Vehicle Fitment:
- Porsche Cayenne 957 S 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.

