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Audi RS4 4.2 FSI 450hp

B8 - 2012 - 2017

450 Original HP
475 Modified HP
430 Original NM
460 Modified NM
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Audi RS4

Audi RS4 B8 - 2012 - 2017 4.2 FSI 450hp

Key Specifications

Generazione B8 - 2012 - 2017
Carburante Petrol
Codice motore CFSA
ECU Bosch MED17.1.1
Rapporto compressione 11.0:1
Alesaggio x Corsa 84.5 X 92.8 mm
Power 450 → 475 hp +25 hp
Torque 430 → 460 Nm +30 Nm
Power
475 HP
+25 HP (+5.6%)
Original 450 HP
Stage 1 475 HP
Torque
460 NM
+30 NM (+7%)
Original 430 NM
Stage 1 460 NM

Power Graph

Original Power 450HP
Original Torque 430Nm
Power After Remap 475HP
Torque After Remap 460Nm

Discover Our Tuning Solutions

Frequently Asked Questions - Audi RS4

The cost of Stage 1 tuning for Audi RS4 4.2 FSI 450hp varies depending on the ECU (Bosch MED17.1.1) and specific requirements. Contact us for a free personalized quote.

Stage 1 tuning for Audi RS4 typically takes 1-2 hours of work. Time may vary depending on the ECU type.

Yes, our Stage 1 tunes are developed respecting the engine's safety margins. The power increase from 450 to 475 HP (+6%) is within safe parameters.

With Stage 1 tuning, Audi RS4 goes from 450 HP to 475 HP (+25 HP) and from 430 Nm to 460 Nm (+30 Nm).

Stage 1 remapping takes it from 450 HP to 475 HP (+25 HP, +6%) and torque from 430 Nm to 460 Nm (+30 Nm). These figures refer to the standard engine, with no hardware modifications.

A remap changes the factory calibration, so on a vehicle still under manufacturer warranty it may affect coverage on powertrain components. Performance tuning keeps all emission systems working; deactivating emission devices such as DPF, EGR or AdBlue is not road-legal in the EU and UK and is intended for off-road, motorsport or export use only.

With a normal driving style consumption usually stays the same or drops slightly: the extra torque at low rpm means less throttle for the same speed. Consumption goes up only if you actually use the additional power.

Yes. The original file is read and stored before any modification, so the vehicle can be returned to the factory calibration at any time.

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Audi
Audi RS4 4.2 FSI 450hp
+25 HP
475 HP