CT Tuning ECU Flash Porsche Cayenne 955 S 4.5L V8 2003-2007
$900.00
- Description
- Additional information
Description
Experience a complete transformation of your Porsche Cayenne 955 S 4.5L V8 (2003-2007) with a professional ECU flash from CT Tuning. Our custom software optimizes the power curve for sharper throttle response and increased torque, perfect for spirited driving or towing. Experience more aggressive pull through the mid and top-end RPM range, transforming your Cayenne S driving dynamics.
Crank Horsepower Ratings:
- Stock Power: 340hp | 310ft/lbs
- Tuned Power: 361hp | 332ft/lbs
ECU Flash Options:
- Vmax Off – Adjust or remove factory top speed limiter.
- Race Exhaust – Calibration for full race exhaust systems.
- Pops & Bangs – Aggressive exhaust burble on deceleration (Requires full race exhaust system).
- Cold Start Off – Deactivates the cold start cycle.
Why Choose CT Tuning:
- Dedicated customer service priority.
- Proven global tuning solutions.
- Customized for environmental conditions.
- Fully reversible to factory settings.
- Compatible with basic bolt-on modifications.
- Safe and rigorously tested performance files.
How to Flash Your ECU:
- Schedule an appointment at our Arizona tuning center for installation.
- Use our OBDII device with a Windows PC to toggle between files.
ECU Reference:
- This ECU typically identifies as Bosch ME7.1.1.
Vehicle Fitment:
- Porsche Cayenne S 4.5L V8 2003-2007
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 | 955 Cayenne |
| Product Year | 2003, 2004, 2005, 2006, 2007 |
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.