Chevrolet Impala Stage 1
7 engines – 180–307 hp
7
engines
+27 hp
Max gain
+10%
Avg. gain
2000 - 2005
2 engines
| Engine | Fuel | Stock (hp) | Stage 1 (hp) | Gain |
|---|---|---|---|---|
| 3.4 V6 180hp | Petrol | 180 | 203 | +23 (13%) |
| 3.8 V6 200hp | Petrol | 200 | 222 | +22 (11%) |
2006 - 2014
4 engines
| Engine | Fuel | Stock (hp) | Stage 1 (hp) | Gain |
|---|---|---|---|---|
| SS 5.3 307hp | Petrol | 307 | 334 | +27 (9%) |
| 3.6 V6 305hp | Petrol | 305 | 327 | +22 (7%) |
| 3.9 V6 245hp | Petrol | 245 | 267 | +22 (9%) |
| 3.5 V6 211hp | Petrol | 211 | 232 | +21 (10%) |
2014 ->
1 engines
| Engine | Fuel | Stock (hp) | Stage 1 (hp) | Gain |
|---|---|---|---|---|
| 3.6 V6 305hp | Petrol | 305 | 328 | +23 (8%) |
FAQ
Is Stage 1 safe for the engine?+
Yes, Stage 1 is a mild optimization within factory safety margins. We use dealer-level equipment and verify results on a dyno.
How long does it take?+
Usually 2–4 hours, including diagnostics, remapping, and a control measurement on our dynamometer.
Does it affect fuel consumption?+
Stage 1 can reduce consumption (better torque curve) or slightly increase it under aggressive driving. On average, consumption stays the same.