Audi RS4 · B8 - 2012 - 2017

4.2 FSI 450hp Stage 1 tuning

The Audi RS4 4.2 FSI 450hp produces 450 hp and 430 Nm as standard. The YASTUNING Stage 1 remap file takes it to 475 hp and 460 Nm, a gain of +25 hp and +30 Nm. Engine code CFSA. ECU: Bosch MED17.1.1. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.

Power
450 hp 475 hp +25 hp
Torque
430 Nm 460 Nm +30 Nm

Engine specifications

Engine code
CFSA
Fuel
Petrol
Displacement
4163 cc
Compression
11.0 : 1
Bore × Stroke
84.5 X 92.8 mm
ECU
Bosch MED17.1.1