Debby Cunliffe
Jun 2025
Fantastic service. Came to my home on a Sunday to remap my car. Great job done and lifetime warranty plus interest free payment facility over 4 months available. Highly recommend
Posted on Google · view on our Google profileJaguar XF S X260 ECU Remapping
Jaguar XF S X2603.0 Supercharged V6 · 2015–2020
Stage 1 £499
Get my quote →The Jaguar XF S X260 (2015 to 2020) leaves the factory with 380 PS and 450 Nm from its 3.0 petrol engine. Our Stage 1 estimate takes it to 420 PS and 520 Nm, roughly 11% more power and 16% more torque.
Jaguar
ECU confirmed on inspection
XF S
X260 · 3.0
Stage 1 estimate
420 PS
STX Tuning
Stage 1 price
£499
Stage 1 ECU remap
Estimated gain
+40 PS · +70 Nm
Power
Stock
380 PS
Stage 1
420 PS
Torque
Stock
450 Nm
Stage 1
520 Nm
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
More than just ECU remapping.
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.
- Stage 1 & Stage 2 ECU RemappingStage 1Stage 2
- Turbo Petrol ECU Tuning
- Turbo Diesel ECU Tuning
- Pops & Bangs
- Performance Remapping
- Economy ECU Remapping
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.
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