



CT Tuning ECU Flash Porsche Cayenne 958 Turbo 4.8L V8 2014-2016
$1,550.00

CT Tuning ECU Flash Porsche Cayenne 958 Turbo 4.8L V8 2014-2016
$1,550.00
- Description
- Additional information
Description
Experience a dramatic performance transformation for your Porsche Cayenne 958 Turbo 4.8L V8 (2014-2016) with a professional CT Tuning ECU flash. While the stock Cayenne delivers 911-style handling and over 500 horsepower, our custom software unlocks massive performance gains without sacrificing daily drivability. By optimizing engine parameters, we provide a substantial power boost across the entire RPM range, resulting in sharper throttle response, increased towing capacity, and relentless mid-range pull.
Crank Horsepower Ratings:
- Stock Power: 520hp | 554ft/lbs
- Tuned Power: 620hp | 656ft/lbs
ECU Flash Options:
- Vmax Off: Remove factory top speed limiter.
- Race Exhaust: Optimized for full race exhaust systems.
- Pops & Bangs: Aggressive exhaust deceleration notes. Requires full race exhaust system.
- Cold Start Off: Deactivates cold start high-idle.
Why Choose CT Tuning:
- Global tuning expertise and customer service.
- Custom calibrations for various environments.
- Reversible to stock in most applications.
- Compatible with basic bolt-on modifications.
- Safe, reliable, and rigorously tested files.
How to Flash Your ECU:
- OBDII Device: Requires a Windows PC to switch between stock and tuned maps.
- In-House Flashing: Schedule an appointment at our Arizona tuning center for installation.
ECU Reference:
- This ECU typically identifies as Siemens SDI8 or SDI10.4.
Vehicle Fitment:
- Porsche Cayenne 958 Turbo 4.8L V8 2014-2016
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 | 958 Cayenne |
| Product Year | 2014, 2015, 2016 |
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.

