Audi RS4 B9 Exhausts
The Audi RS4 B9 hides a 2.9 litre twin-turbo V6 that deserves to be heard. Milltek offers a full range of performance exhaust systems for the RS4 B9 Avant, from resonated cat-backs for a refined tone to non-resonated and valved setups built for maximum flow and volume. Every system is engineered from T304L stainless steel and built for the emotion.
Not sure which setup suits your RS4? Our System Education guide explains resonated versus non-resonated, cat-back versus turbo-back, and valved options so you can choose with confidence.

Milltek Road+ Cat-Back Exhaust | Audi B9 RS4 Avant RS5
SSXAU856MP
Total
$3777.10
$3059.45
$3777.10
$3059.45

Milltek Non-Resonated Cat-Back Exhaust | Audi B9 RS4 Avant
AURS5-1675-NRCB
Total
$4289.63
$3474.60
$4289.63
$3474.60

Milltek Non-Resonated Cat-Back Exhaust | Audi B9 RS4 Avant
AURS5-1675-NRCB
Total
$4210.45
$3410.46
$4210.45
$3410.46

Milltek Non-Resonated Cat-Back Exhaust | Audi B9 RS4 Avant
AURS5-1675-NRCB
Total
$3895.87
$3155.65
$3895.87
$3155.65

Milltek Non-Resonated Cat-Back Exhaust | Audi B9 RS4 Avant
AURS5-1675-NRCB
Total
$4028.55
$3263.12
$4028.55
$3263.12
