Porsche 911 Carrera S 3.0 TT ECU Tuning – 9A2 Optimized Performance | 991.2 2017
This isn't a generic flash. Our 991.2 Carrera S 3.0 twin-turbo calibrations are developed in-house, optimized on the dyno, and tested on the street and track. Every map is built around your fuel, your hardware and how you actually drive the car — maximum power with factory-level refinement and reliability.
Estimated on a healthy car with known-good fuel:
- 420 hp → 490 hp — estimated gain of +70 hp
- 340 lb-ft → 420 lb-ft — estimated gain of +80 lb-ft
- Fuel maps available for 91, 93 and 100 octane
- Adjustable throttle response and boost timing
- Calibrated for consistent performance in all conditions
The 991.2 Carrera S runs the 9A2 3.0L twin-turbocharged flat-six in higher-output form, and it is one of the most responsive Porsche platforms to a recalibration. Porsche set the factory file conservatively on boost, ignition timing and fuelling to survive worst-case global fuel quality, and rewriting it for the fuel you actually run recovers the margin. Note this is the twin-turbo 3.0 only. The earlier 991.1 Carrera S uses the naturally aspirated 3.8 and responds very differently; make sure you are buying for the right car.
What's included:
- Custom 9A2 ECU calibration developed around your fuel, hardware and driving preference
- Optimized boost, ignition timing and fuelling for your specific car
- Throttle response and drivability refinement
- Fuel map matched to the octane you actually run — 91, 93 or 100
- OBDII data cable shipped to you
- Same-day file turnaround once we have your stock read
What we need from you:
- Your factory stock file, read with the cable we send you
- A complete list of current modifications
- Vehicle details and VIN
- An honest description of the car's mechanical condition and service history
- The octane you run day to day
Supported Vehicles:
- Porsche 911 Carrera S (991.2) — 3.0L twin-turbocharged flat-six, 9A2, 2017
How to order:
- 1. Order online. We ship you an OBDII data cable — typically 2–3 days to arrive.
- 2. Read your stock file. Plug the cable into your OBD port, upload your factory file, then email it to us with a list of your current modifications.
- 3. Get your file back the same day. We email your custom calibration back the day we receive your stock read — and we'll make sure you're happy with it.
In the Southern California area? Get in touch and we can tune your car in person instead.
Before you order:
- Power figures are estimates, not guarantees. Results vary with fuel quality, altitude, ambient temperature, mechanical condition, supporting modifications and dyno methodology.
- Mechanical condition — tuning raises cylinder pressure and driveline load. The car must be sound first. Pre-existing faults revealed or accelerated by tuning are not our responsibility.
- Accurate information required — we build the file from what you tell us. An unmodified stock read and an honest description of the car, its modifications and its condition are required.
- Warranty — an ECU modification will likely void your factory powertrain warranty.
- Legal use — certain calibrations are for off-road and competition use only. Compliance with federal, state and local emissions law is the buyer's responsibility.
- Risk and liability — the customer assumes the risk of modification. Our liability is limited to the price of the tuning service.
Note: Tuning services are non-refundable once the file has been delivered. The service is complete at delivery. Full terms are on our Terms of Service page.
Questions about your specific car? Get in touch — we're happy to confirm the right calibration before you order.
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