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EA825 4.0 TFSI V8

Audi RS6

C8

The C8 Audi RS6 with the EA825 4.0-litre twin-turbo V8. The latest evolution of Audi's iconic super estate, with improved turbo hardware and fuelling for even greater tuning potential.

600 Stock BHP
750 Stage 1 BHP
1200+ Stage 3 Ceiling
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Audi RS6 C8
Performance Stages

EA825 4.0 TFSI V8 Tuning Stages

All power figures are average estimates based on typical results. Actual gains depend on vehicle condition, fuel quality and supporting modifications.

01

Stage 1

700-750 bhp

Software only. No hardware changes required. Custom ECU calibration on fully standard engine.

  • Custom map written in-house
  • No additional parts needed
  • Fully reversible
02

Stage 2

780-850 bhp

Calibrated for bolt-on modifications. Downpipe, intake and supporting hardware.

  • Requires supporting hardware
  • Mapped to your specific mods
  • Data-logged and validated
03

Stage 3

900-1200+ bhp

Full custom calibration for serious builds. Hybrid turbos, uprated fuelling and bespoke mapping.

  • Hybrid or upgraded turbo
  • Uprated fuel system
  • Bespoke build calibration

Ready to Tune Your RS6?

Get in touch to discuss your build. Every map is written in-house and tailored to your car.

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