Porsche 991 Turbo ECU remapping
10 files available
About remapping
The Porsche 991 Turbo accounts for 10 files in our catalogue, entirely the 3.8 DFI twin-turbo flat-six including a 520 hp reference. It is the high-performance version of the 991-generation 911.
Stage 1 makes up 6 files, with 5 speed limiter removals, 3 Stage 2 and one Stage 3. The ECUs are limited to two references: SDI9 and SDI21.
Model highlights
- ›6 Stage 1 files and 3 Stage 2 on a range-topping base.
- ›Entirely the 3.8 DFI twin-turbo flat-six.
- ›5 speed limiter removals and one Stage 3 file.
- ›ECUs limited to SDI9 and SDI21.
Fuel split
Engines
| 3.8 DFI Turbo | Turbo-Petrol | 7 |
| 3.8 Turbo | Turbo-Petrol | 2 |
| 3.8l TT-520HP | Turbo-Petrol | 1 |
ECUs
ECU manufacturers
Available services
Remapping services
Stage 1
Optimising the original map with no hardware changes: more power and torque, full reliability.
Speed limiter removal
Removal of the factory speed limiter.
Stage 2
Remap for vehicles with mechanical upgrades (intake, exhaust, intercooler…).
Stage 3
Setup for high-performance modifications on specific hardware.
Why remap with Repromatronic
- ✓More power and torque with engine-safe tuning
- ✓Sharper throttle response and nicer driving
- ✓Potential fuel savings in normal driving
- ✓Files built from the original and 100% reversible
- ✓Made by technicians with thousands of projects behind them
Are you a driver?
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Log in as a professionalFrequently asked questions
How much does the 3.8 twin-turbo take?
It is a twin-turbocharged flat-six with genuine headroom, even from a high factory output. Stage 1 works with standard hardware.
How does it differ from the Turbo S?
The Turbo S is the higher-output version. Each has its own entry in our catalogue.
What is Stage 3?
It is the highest level, for cars with substantial hardware modification. Only one file in this group reaches it.
