Porsche 911 2004 - 2011 ( 997 ) GT3 3.8i 435hp
Real standard and upgraded performance figures for the GT3 3.8i 435hp engine in the Porsche 911 2004 - 2011 ( 997 ).
These are real standard and Stage 1 (and where available, Stage 2) figures for the Porsche 911 2004 - 2011 ( 997 ) GT3 3.8i 435hp — not a generic estimate for the model range.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 435 | 430 |
| Stage 1 | 455 | 450 |
| Stage 2 | 470 | 470 |
- Make
- Porsche
- Model
- 911
- Generation
- 2004 - 2011 ( 997 )
- Engine
- GT3 3.8i 435hp
- Fuel type
- Petrol
Frequently asked questions
Is Stage 1 tuning safe for the Porsche 911 2004 - 2011 ( 997 ) GT3 3.8i 435hp?
Yes — Stage 1 for this engine is a software-only remap calibrated to stay within its stock mechanical limits (turbo, clutch, fueling), so no hardware changes are required.
How much more power does the GT3 3.8i 435hp make after tuning?
Standard output is 435 HP / 430 Nm; Stage 1 on this engine typically reaches 455 HP / 450 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Porsche 911 2004 - 2011 ( 997 ) GT3 3.8i 435hp remap take?
Once your original file is uploaded through the member panel, most requests for this engine are completed within a few hours.
Can the GT3 3.8i 435hp be reverted to its original file?
Yes — we keep the original file on record for the request, so the ECU can be put back to stock at any time.