danny george
Mar 2025
the staffat stx tuning was so excellent dealing with the problem i been having with ad blu and fixed issue in an hr highly reccomened
Posted on Google · view on our Google profileFord Focus RS Mk3 ECU Remapping
Stage 1 £399
Get my quote →The Ford Focus RS Mk3 (2016 to 2018) leaves the factory with 350 PS and 470 Nm from its 2.3 petrol engine. Our Stage 1 estimate takes it to 405 PS and 550 Nm, roughly 16% more power and 17% more torque.
Ford
ECU confirmed on inspection
Focus RS
Mk3 · 2.3
Stage 1 estimate
405 PS
STX Tuning
Stage 1 price
£399
Stage 1 ECU remap
Estimated gain
+55 PS · +80 Nm
Power
Torque
Figures are STX Tuning estimates for a healthy standard car, not a dyno result for your vehicle. Power is shown in PS. These are existing vehicle library estimates, not independently measured results.
WhatsApp STX TuningWhat we do
From Stage 1 and Stage 2 ECU remapping to gearbox tuning and supporting performance upgrades, STX Tuning offers specialist vehicle software and tuning services for compatible petrol and diesel cars and vans.
Explore the available options for your exact vehicle at our Slough workshop, with suitable mobile ECU remapping appointments available across selected surrounding areas.
Not sure which tuning service you need?
Tell us what you drive and what you'd like to achieve. We'll check your vehicle and help you explore the available options.
4.9/5 | 500+ Google ReviewsGoogle Customer Reviews
See what customers say about their experience with STX Tuning.
Google Reviews
4.9
535 Google Reviews