Chiptuning for Audi RS4
B7 2004 - 2008 RS4 4.2 V8
B7 2004 - 2008 RS4 4.2 V8
Fuel type
gasoline 
Standard HP
420 
Standard Nm
430 STAGE 1 +17 HP / +22 Nm
HP
Nm
Stock
420
430
Tuning
437
452
Difference
17
22
STAGE 2 +40 HP / +45 Nm
HP
Nm
Stock
420
430
Tuning
460
475
Difference
40
45
Engine details
4163 CC 
84.5 X 92.8 mm 
Bosch MED9 
BNS 
12.5 : 1 Read methods
