Considering an ECU remap for your Ford Mustang GT 4.6 V8 300hp? A Stage 1 remap can take this -> 2014 petrol engine from 300 BHP to 320 BHP and from 430 Nm to 460 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 Ford Mustang can achieve.
The Ford Mustang GT 4.6 V8 300hp is a 4.6L naturally aspirated petrol engine producing 300 BHP and 430 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 320 BHP and 460 Nm — a gain of around 20 BHP (7%) and 30 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.
| Engine | BHP | Gain | Torque | Gain | Score |
|---|---|---|---|---|---|
| 4.0 V6 205hp | 205 → 225 | +20 | 319 → 340 | +21 |
| Moderate (4/10) |
| 3.7 V6 305hp | 305 → 325 | +20 | 380 → 410 | +30 | Limited (3.5/10) |
| GT 4.6 V8 319hp | 319 → 339 | +20 | 440 → 470 | +30 | Limited (3.5/10) |
| GT 5.0 V8 420hp | 420 → 445 | +25 | 524 → 554 | +30 | Limited (3.5/10) |
| GT500 5.4 V8 507hp | 507 → 560 | +53 | 650 → 750 | +100 | Moderate (4.5/10) |
Get a personalised remap quote for your Ford Mustang. We'll connect you with a trusted professional in your area.
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 before proceeding.
