Porsche 911 2004 - 2011 ( 997 ) GT3 RS 3.8i 450hp

Real standard and upgraded performance figures for the GT3 RS 3.8i 450hp engine in the Porsche 911 2004 - 2011 ( 997 ).

Standard vs. upgraded performance for the Porsche 911 2004 - 2011 ( 997 ) GT3 RS 3.8i 450hp, based on real files we've processed for this exact engine.

Horsepower (HP)Torque (Nm)
Standard450430
Stage 1470470
Stage 2480490
Make
Porsche
Model
911
Generation
2004 - 2011 ( 997 )
Engine
GT3 RS 3.8i 450hp
Fuel type
Petrol

Frequently asked questions

Is Stage 1 tuning safe for the Porsche 911 2004 - 2011 ( 997 ) GT3 RS 3.8i 450hp?

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 RS 3.8i 450hp make after tuning?

Standard output is 450 HP / 430 Nm; Stage 1 on this engine typically reaches 470 HP / 470 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Porsche 911 2004 - 2011 ( 997 ) GT3 RS 3.8i 450hp 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 RS 3.8i 450hp 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.