Porsche 911 2011 - 2015 ( 991 ) Carrera 3.4i 350hp

Real standard and upgraded performance figures for the Carrera 3.4i 350hp engine in the Porsche 911 2011 - 2015 ( 991 ).

This page covers the Carrera 3.4i 350hp as fitted to the Porsche 911 2011 - 2015 ( 991 ) — the figures below reflect that specific engine, not the model as a whole.

Horsepower (HP)Torque (Nm)
Standard350390
Stage 1370410
Stage 2380420
Make
Porsche
Model
911
Generation
2011 - 2015 ( 991 )
Engine
Carrera 3.4i 350hp
Fuel type
Petrol

Frequently asked questions

Is Stage 1 tuning safe for the Porsche 911 2011 - 2015 ( 991 ) Carrera 3.4i 350hp?

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 Carrera 3.4i 350hp make after tuning?

Standard output is 350 HP / 390 Nm; Stage 1 on this engine typically reaches 370 HP / 410 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Porsche 911 2011 - 2015 ( 991 ) Carrera 3.4i 350hp 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 Carrera 3.4i 350hp 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.