BHP+25 hp (8%)
Standard
307 hp
Tuned
332 hp
Torque+29 Nm (7%)
Standard
438 Nm
Tuned
467 Nm
Suitability
Limited (3.5/10)Gains Profile
Limited headroomHeadroom
LowChevrolet Impala SS 5.3 307hp ECU Remapping
Considering an ECU remap for your Chevrolet Impala SS 5.3 307hp? A Stage 1 remap can take this 2006 - 2014 petrol engine from 307 BHP to 332 BHP and from 438 Nm to 467 Nm of torque (naturally aspirated). This engine scores 3.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Chevrolet Impala can achieve.
How this engine compares
- 1stof 7 Chevrolet Impala engines by power gain
- 28%of the 9,842 engines we hold gain data for see a smaller power increase
- 17%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The Chevrolet Impala SS 5.3 307hp is a 5.3L naturally aspirated petrol engine producing 307 BHP and 438 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 332 BHP and 467 Nm — a gain of around 25 BHP (8%) and 29 Nm (7%).
This engine has limited remap suitability, though the available headroom is limited, so gains are modest compared to higher-output variants. The tuning headroom is classified as limited, based on the percentage gain available from the factory output.
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.. High tuned torque: check transmission torque capacity and service history.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
Considerations
!Naturally aspirated engine: gains are usually limited; results vary widely.
!High tuned torque: check transmission torque capacity and service history.
Other Impala 2006 - 2014 Engines
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