



CT Tuning ECU Flash Porsche Cayenne 958 S | GTS 3.6L Turbo
$1,800.00

CT Tuning ECU Flash Porsche Cayenne 958 S | GTS 3.6L Turbo
$1,800.00
- Description
- Additional information
Description
Experience a significant performance upgrade for your Porsche Cayenne 958 S | GTS 3.6L Turbo with a custom ECU flash from CT Tuning. The factory twin-turbocharged 3.6L powerplant is highly receptive to tuning, and our software transforms this SUV into a true performance machine. By remapping the entire power curve, we sharpen throttle response, increase mid-range pull, and sustain peak power to the redline, significantly improving 0-60 and 1/4 mile times.
Crank Horsepower Ratings:
- Stock Power: 440hp | 443ft/lbs
- Tuned Power: 483hp | 479ft/lbs
ECU Flash Options:
- Vmax Off – Adjust or remove the factory top speed limiter.
- Race Exhaust – Optimized calibration for vehicles with full race exhaust systems.
- Pops & Bangs – Requires full race exhaust system. Adds an aggressive exhaust burble on deceleration.
- Cold Start Off – Deactivates the high-idle cold start sequence.
Why Choose CT Tuning
- World-class tuning files tested for safety and reliability.
- Optimized for various climates and fuel octanes.
- Compatible with basic bolt-on modifications.
- Applications can be reverted to factory settings.
- Industry-leading customer support.
How to Flash Your ECU
- Schedule an appointment at our Arizona tuning center for installation.
- OBDII Device: Use our portable device to switch between stock and tuned files at your convenience.
ECU Reference:
- This ECU typically identifies as a Siemens SDI10.3.
Vehicle Fitment:
- Porsche Cayenne 958 S 3.6L Turbo
- Porsche Cayenne 958 GTS 3.6L Turbo
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 | 2016, 2017, 2018 |
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.
