Bystroms Motoroptimering & Service

Audi RS44.2 V8 FSI 443 hk

Available Services

Model

Audi RS4
Variant

4.2 V8 FSI 443 hk
Years

2012-2015
Fuel

Petrol
Engine Size

0
ECU Type

Bosch MED17.1.1

Celtic Tuning's economy software is designed to improve fuel efficiency during normal daily driving, specifically under part-throttle conditions.

It delivers a smoother power curve and improved fuel economy, though actual savings and performance gains will depend on factors such as driving style, road conditions, and vehicle load.

Stage 1

	Original	Modified	Difference
Power (hk)	443 hk	474 hk	+31 hk
Torque (Nm)	430 Nm	460 Nm	+30 Nm

Original

Modified

Difference

Power

(hk)

443

474 +31

Torque

(Nm)

430

460 +30

View Chart Request Quote

Stage Notes

This Stage 1 ECU remap, developed by Celtic Tuning, is designed to safely improve your vehicle's power and torque whilst maintaining standard components and remaining within tolerances.

It's the perfect balance of increased power and day-to-day usability, which is ideal for those who want extra performance but not at the cost of additional hardware or reliability.