Tuning potential
Focus ST potential varies widely by engine, turbo, ECU, gearbox and hardware.
Relevant engines: 2.5 turbo petrol; 2.0 EcoBoost; 2.0 TDCi
The Ford Focus ST spans petrol and diesel generations, from the five-cylinder Mk2 to later EcoBoost and TDCi models. S7 Remaps provides mobile ECU tuning across Preston and Lancashire, with the vehicle checked before programming and the calibration matched to its exact specification. Your registration can be used to confirm the engine and ECU before quoting a figure.
Engine codes and ECU
2.5 turbo petrol, 2.0 EcoBoost, 2.0 TDCi. The exact ECU and software version should be confirmed before programming.
Turbo and supporting hardware
Turbo and charge-air arrangements differ substantially between petrol and diesel ST generations.
Gearbox and clutch considerations
Manual gearbox and clutch condition matter across the range. Extra torque can expose clutch wear on older examples.
DPF and emissions systems
Diesel ST models require DPF and EGR checks before tuning.
Stage 1 information
Stage 1 should be selected by engine and factory output, with response and torque matched to the vehicle.
Stage 2 information
Stage 2 hardware depends on the specific petrol or diesel generation.
Suitability and condition
Check cooling, boost, fuelling, emissions systems, clutch and diagnostics.
- Confirm petrol or diesel engine
- Check clutch and gearbox
- Assess cooling and emissions systems
Frequently Asked Questions
We can check many Ford Focus ST variants. Send the registration so we can confirm the exact engine, ECU and suitable options.
REAL S7 REMAPS RESULTS
Results from genuine customer vehicles
Genuine S7 customer results will be added here as dyno sheets, vehicle details and customer-approved photos become available. We do not publish made-up figures.