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Porsche 911 GT3 3.8i 435hp

2004 - 2011 ( 997 )

435 Original HP
455 Modified HP
430 Original NM
450 Modified NM
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Porsche 911

Porsche 911 2004 - 2011 ( 997 ) GT3 3.8i 435hp

Key Specifications

Generazione 2004 - 2011 ( 997 )
Carburante Petrol
Power 435 → 455 hp +20 hp
Torque 430 → 450 Nm +20 Nm
Power
455 HP
+20 HP (+4.6%)
Original 435 HP
Stage 1 455 HP
Torque
450 NM
+20 NM (+4.7%)
Original 430 NM
Stage 1 450 NM

Power Graph

Original Power 435HP
Original Torque 430Nm
Power After Remap 455HP
Torque After Remap 450Nm

Discover Our Tuning Solutions

Frequently Asked Questions - Porsche 911

The cost of Stage 1 tuning for Porsche 911 GT3 3.8i 435hp varies depending on the ECU and specific requirements. Contact us for a free personalized quote.

Stage 1 tuning for Porsche 911 typically takes 1-2 hours of work. Time may vary depending on the ECU type.

Yes, our Stage 1 tunes are developed respecting the engine's safety margins. The power increase from 435 to 455 HP (+5%) is within safe parameters.

With Stage 1 tuning, Porsche 911 goes from 435 HP to 455 HP (+20 HP) and from 430 Nm to 450 Nm (+20 Nm).

Stage 2 increases power from 435 HP to 470 HP (+35 HP). It typically requires additional hardware modifications such as sports exhaust or downpipe.

Stage 1 remapping takes it from 435 HP to 455 HP (+20 HP, +5%) and torque from 430 Nm to 450 Nm (+20 Nm). These figures refer to the standard engine, with no hardware modifications.

A remap changes the factory calibration, so on a vehicle still under manufacturer warranty it may affect coverage on powertrain components. Performance tuning keeps all emission systems working; deactivating emission devices such as DPF, EGR or AdBlue is not road-legal in the EU and UK and is intended for off-road, motorsport or export use only.

With a normal driving style consumption usually stays the same or drops slightly: the extra torque at low rpm means less throttle for the same speed. Consumption goes up only if you actually use the additional power.

Yes. The original file is read and stored before any modification, so the vehicle can be returned to the factory calibration at any time.

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Porsche
Porsche 911 GT3 3.8i 435hp
+20 HP
455 HP