Jaguar S-Type 4.2 V8
Chip Tuning Devon
Jaguar S-Type 4.2 V8 in Devon. Standard and remapped figures for this exact engine.

- Fully dyno tested remaps
- 30 day money back guarantee
- Lifetime software warranty
- UK-wide local network
Remap stats
Jaguar S-Type 4.2 V8: standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+25 bhp · +8%- Standard300 bhp
- Remapped325 bhp
Torque
+55 Nm · +13%- Standard420 Nm
- Remapped475 Nm
Tuning figures are indicative estimates, not guaranteed results. Actual results depend on the condition of the vehicle.
Prices from £130
Fully dyno tested | 30 day money back guarantee | Lifetime software warranty
Looking for chip tuning for your Jaguar S-Type 4.2 V8 in Devon? Standard it makes 300 bhp and 420 Nm. With a stage 1 remap our figures show 325 bhp and 475 Nm, an extra 25 bhp (8%) and 55 Nm (13%).
Figures are indicative stage 1 estimates for a healthy petrol Jaguar S-type; results vary with the condition of the vehicle.
Jaguar S-Type 4.2 V8: remap at a glance
- Fuel: Petrol
- Standard power: 300 bhp, remapped: 325 bhp (+25 bhp, +8%)
- Standard torque: 420 Nm, remapped: 475 Nm (+55 Nm, +13%)
- Service: stage 1 ECU remap, fully dyno tested
How chip tuning works on a petrol Jaguar S-type
A petrol remap re-works the engine management calibration: air-fuel ratio, ignition advance and boost where fitted. The result is more power and a more immediate throttle, delivered by software rather than hardware changes.
Jaguar S-Type 4.2 V8 against other S-type engines
Of the 5 petrol S-type engines in our data, this one comes 5th for power gain, which is 8 bhp below the S-type petrol average of 33 bhp.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 25 bhp and 55 Nm sits below that benchmark.
Remapping your Jaguar S-type in Devon
Whether you live in Devon or nearby, the Devon Remap Experts site is your local route to a quote. We regularly work with drivers in Paignton, Tiverton, Teignmouth, Plymouth and Newton Abbot and nearby areas of the South West.
You get a fully dyno tested remap, a 30 day money back guarantee and a lifetime software warranty with every job. Get your quote today on 0800 779 7864.
If you are closer to Cornwall, Somerset and Bristol, those neighbouring Remap Experts sites can help too.

Want these figures on your Jaguar S-Type 4.2 V8?
Send your registration and we will confirm the exact remap, the price and the next available slot.
Included
What we can do for your Jaguar S-type
Stage 1 ECU remap
Add power and torque and improve driveability. Software only, tailored to your engine.
ECU repair and testing
Is your engine control unit playing up? We can arrange testing and repair, and source replacement ECUs.
DPF and EGR fault repair
Persistent DPF or EGR errors diagnosed and resolved in accordance with all current road-legal standards.
Engine carbon cleaning
Fault finding and carbon cleaning for the inside of your engine, typically completed in a couple of hours.
From quote to remapped in four steps
No jargon and no pressure. Here is exactly what happens.
- 01
Find your vehicle
Choose your make, model and engine to see the standard and remapped power and torque for your car.
- 02
Request a quote
Send your details and we contact you by SMS or call back with a quote. No obligation.
- 03
Book with your local site
Your local Remap Experts site arranges the remap and answers any questions about your car.
- 04
Remapped and dyno tested
Your remap is fully dyno tested, with a 30 day money back guarantee and a lifetime software warranty.
Everything you need to know
Plain-English guides to how remapping works, what it does and what to check first.
- 6 min read
What is ECU remapping?
The engine control unit, what a remap changes, and who it suits.
Read guide - 5 min read
The benefits of ECU remapping
More torque, better driveability and the potential for better economy.
Read guide - 6 min read
How ECU remapping works, step by step
From reading the original software to the dyno test.
Read guide