Chiptuning Porsche 911 991 (since 2011)
4 engines · +28 to +42 hp
911 991: 4 engines — 4 petrol. The gain is +28 to +42 hp, with up to +47 Nm more torque. GAN GA+ from 219 EUR.
All 911 991 engines: exact gains
Standard output, output with GAN, the gain and the price for each box.
| Engine | STOCK → with GAN | Gain | Tuning boxes and prices | |
|---|---|---|---|---|
| Petrol · 4 engines | ||||
| 3.4i Carrera350 hp / 390 Nm | +42 hp+47 Nm |
GA — 219 EUR · 392 hp GA+ — 219 EUR · 392 hp |
Select → | |
| 3.8i Carrera GTS430 hp / 440 Nm | +34 hp+35 Nm |
GA — 219 EUR · 464 hp GA+ — 219 EUR · 464 hp |
Select → | |
| 3.8i Carrera S400 hp / 440 Nm | +32 hp+35 Nm |
GA — 219 EUR · 432 hp GA+ — 219 EUR · 432 hp |
Select → | |
| 3.4i350 hp / 390 Nm | +28 hp+31 Nm |
GA — 219 EUR · 378 hp GA+ — 219 EUR · 378 hp |
Select → | |
Each engine has its own tuning box: GAN GT / GTL or GAN GA / GA+. Prices are per box and include the current discount.
Not sure which engine you have?
Find your engine by the power output in your registration document: each version has its own module calibration.
Porsche 911 991 remap: what changes
More power and torque without rewriting the ECU or swapping any parts. The GAN box only adjusts the engine sensor signals. Your manufacturer’s warranty is preserved: the ECU software is never changed, and the box can be removed at any time.
- Bluetoothchange modes from your phone
- 18 mapsfine-tuning for your engine
- 15 minutesfitted to the factory connectors
- IP67water and dust protection
- +42 hpbest in this generation
3.4i Carrera 350 hp → 392 hp. The other engines gain at least +28 hp; check the table for each one.
- up to +30%more power
GAN GT: up to 30%, GAN GTL: up to 25%, GAN GA+: up to 12%.
- GAN APPpower control via smartphone
SPORT, DYNAMIC, ECO and STOCK modes in the GAN app.
- 50 daystest drive
Feel the difference or get your money back, excluding delivery costs.
What Porsche 911 owners say about GAN
Simple and convenient. Satisfied with result. I connected this device via the attached cable and hid it behind the pile floor covering. Up to 100 km, I notices the result: the throttle response at 1,2,3 gear is better, the fuel consumption did not change (I use the “Dynamic” mode). I think the result is good for such…
Porsche 911 991 remap: common questions
Which tuning box do I need for the 911 991?
Every engine in this generation is naturally aspirated, so it takes the GAN GA or GAN GA+. Find your engine in the table above – each row shows the box and its price.
Is a tuning module the same as a Stage 1 remap?
Not quite. Stage 1 usually means an ECU remap without replacing any parts. The tuning module also works without replacing parts, but it does not change the ECU software: it adjusts the sensor signals, comes off in about a minute, and the OFF button in the app restores the factory settings.