Chevrolet Impala 2006 - 2014 SS 5.3 307hp

Real standard and upgraded performance figures for the SS 5.3 307hp engine in the Chevrolet Impala 2006 - 2014.

These are real standard and Stage 1 (and where available, Stage 2) figures for the Chevrolet Impala 2006 - 2014 SS 5.3 307hp — not a generic estimate for the model range.

Horsepower (HP)Torque (Nm)
Standard307438
Stage 1332467
Stage 2344481
Make
Chevrolet
Model
Impala
Generation
2006 - 2014
Engine
SS 5.3 307hp
Fuel type
Petrol

Frequently asked questions

Is Stage 1 tuning safe for the Chevrolet Impala 2006 - 2014 SS 5.3 307hp?

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 SS 5.3 307hp make after tuning?

Standard output is 307 HP / 438 Nm; Stage 1 on this engine typically reaches 332 HP / 467 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Chevrolet Impala 2006 - 2014 SS 5.3 307hp 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 SS 5.3 307hp 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.