When you bring your vehicle to WestTuned Car Mechanic Center, you can rest easy knowing that your vehicle is in professional hands.
2018-2024 | 354 HP -> 425 HP
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Estimated performance improvements
The Audi S4 & S5 B9 2018-2024 is an exceptional platform — and with Westtuned custom ECU software, you can unlock performance that the factory left on the table. Our team of experienced calibrators fine-tune every parameter to maximize power output, throttle response and torque delivery.
Built on thousands of hours of dyno time and real-world testing, our Stage 1 software for the Audi S4 & S5 B9 2018-2024 targets safe boost levels, optimised ignition timing and refined fuel maps for a power delivery that inspires confidence.
Stage 1 software pushes your Audi S4 & S5 B9 2018-2024 from the stock 354HP / 369Nm to 425HP / 444Nm — a gain of +71HP, achieved with no hardware modifications required.
Our calibrations are compatible with both stock vehicles and those equipped with aftermarket hardware — intakes, intercoolers, exhausts and more — ensuring maximum performance at every stage of modification.
Choose Westtuned for:
Order your Audi S4 & S5 B9 2018-2024 tuning file from Westtuned today and discover what your engine is truly capable of.