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Fabspeed XperTune Performance Software ECU Upgrade. Porsche 991 Carrera (2012-2016) ❭ FSPOR991ET
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
The Fabspeed XperTune Performance Software is an ECU calibration upgrade designed for the 2012–2016 Porsche 991 Carrera 3.4L and Carrera S 3.8L.
Fits:
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
Rather than replacing a mechanical component, XperTune modifies the calibration within the vehicle's engine control unit to optimise parameters such as fueling, ignition strategy, throttle response and other engine-management functions.
The software is supplied with a handheld OBD-II tuning device, allowing the factory ECU file to be read from the vehicle and the Fabspeed performance calibration to be installed without physically removing the ECU.
Fabspeed develops the tune using the vehicle's original ECU data together with information about its specification and modifications, allowing the calibration to be tailored to the individual car.
What This Product Does:
The engine control unit determines how the engine responds to numerous operating conditions and sensor inputs.
The XperTune software changes selected ECU calibration parameters to improve engine performance and driving characteristics.
Its main benefits include:
- Increasing engine horsepower
- Increasing torque output
- Improving throttle response
- Optimising fueling
- Optimising ignition-related calibration
- Improving engine response throughout the RPM range
- Matching the ECU calibration to compatible performance modifications
- Allowing the vehicle to be returned to the original factory calibration
- Providing OBD-II-based installation without ECU removal
This is primarily a performance upgrade, rather than a replacement for a worn mechanical part.
How The XperTune Process Works:
The included handheld tuner allows the ECU calibration process to be completed through the vehicle's OBD-II diagnostic port.
The basic process involves:
- Reading the vehicle's original ECU data using the handheld tuner
- Connecting the handheld device to a Windows PC
- Sending the original ECU information and vehicle specification to Fabspeed
- Receiving a custom calibration matched to the vehicle
- Loading the calibration onto the handheld device
- Flashing the new tune into the vehicle through the OBD-II port
The original factory calibration can also be restored later using the same handheld device.
Benefits And Performance Modifications:
ECU tuning can be particularly useful when the vehicle has been fitted with compatible performance components such as:
- Sport headers
- High-flow catalytic converters
- Performance exhaust systems
- Intake upgrades
- Performance air filters
Mechanical airflow improvements can change the way the engine breathes.
A correctly developed ECU calibration can help the engine management system take better advantage of these changes and provide more consistent overall performance.
Why Upgrading Matters:
A healthy factory ECU calibration does not require replacement simply because of age.
The reason for installing XperTune is primarily to improve performance and optimise the engine for compatible modifications.
Potential benefits include:
- Stronger acceleration
- Increased horsepower
- Increased torque
- Sharper throttle response
- Better use of intake and exhaust upgrades
- More responsive engine behaviour
The degree of improvement depends on the vehicle specification and installed hardware.
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