
Isuzu I-Series Stage 1
4 engines – 175–242 hp
4
engines
+22 hp
Max gain
+11%
Avg. gain
| Engine | Fuel | Stock (hp) | Stage 1 (hp) | Gain |
|---|---|---|---|---|
| I-290 2.9 185hp | Petrol | 185 | 207 | +22 (12%) |
| I-280 2.8 175hp | Petrol | 175 | 196 | +21 (12%) |
| I-350 3.5 220hp | Petrol | 220 | 241 | +21 (10%) |
| I-370 3.7 242hp | Petrol | 242 | 261 | +19 (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.