Considering an ECU remap for your Porsche 911 3.8i Turbo 520hp? A Stage 1 remap can take this 2011 - 2015 ( 991 ) petrol engine from 520 BHP to 600 BHP and from 710 Nm to 800 Nm of torque (turbocharged). This engine scores 6/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Porsche 911 can achieve.
The Porsche 911 3.8i Turbo 520hp is a 3.8L turbocharged petrol engine producing 520 BHP and 710 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 600 BHP and 800 Nm — a gain of around 80 BHP (15%) and 90 Nm (13%).
This engine has moderate remap suitability, with a balanced spread of gains across both power and torque — providing a noticeable improvement across the rev range. The tuning headroom is classified as moderate, based on the percentage gain available from the factory output.
Considerations: Turbo petrol: fuel quality and cooling can influence repeatable performance.. High tuned torque: check transmission torque capacity and service history.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
| Engine | BHP | Gain | Torque | Gain | Score |
|---|---|---|---|---|---|
| Carrera 3.4i 350hp | 350 → 370 | +20 | 390 → 410 |
| +20 |
| Limited (3.5/10) |
| Carrera S 3.8i 400hp | 400 → 440 | +40 | 440 → 460 | +20 | Limited (3.5/10) |
| 3.8i GTS 430hp | 430 → 450 | +20 | 440 → 460 | +20 | Limited (3/10) |
| GT3 3.8i 475hp | 475 → 500 | +25 | 440 → 470 | +30 | Limited (3.5/10) |
| 4.0 GT3 RS 500hp | 500 → 525 | +25 | 460 → 485 | +25 | Limited (3.5/10) |
| 3.8i Turbo S 560hp | 560 → 600 | +40 | 750 → 800 | +50 | Moderate (5.5/10) |
Get a personalised remap quote for your Porsche 911. We'll connect you with a trusted professional in your area.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method.
We recommend discussing your specific vehicle with a qualified remap professional before proceeding.
